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The N7CFO Telegraph Key Collection

The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

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Page 1: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

The N7CFO Telegraph Key

Collection

Page 2: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

N7CFO Key Collection

• I have been collecting since 1980

• At one time I had 1200+ items – I

am now in rehab and now have

only 600+

• The collection is available for

viewing by appointment

Page 3: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

N7CFO Key Collection

• I built a database that indexes over

5000 key ads over a 150 year

period

• I used to publish the N7CFO

Keyletter, an occasional newsletter

about key collecting. It was

trampled by the internet!

Page 4: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

A test!

Page 5: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Most of these keys were actually

made. Some were not…

• Mon-Key

• Tur-Key

• Mag-Key

• Cootie Key

• Cricket Key

• Glo-Key

• Can-Key

• El-Key

• Trans-Key

Page 6: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

• Mac Key

• Robot Key

• Moto-Key

• Stream Key

• Practo-Key

• Cor-Key

• Pro-Key

• Quik-Key

• Mos-Key

• Squee-Key

Page 7: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

• Dow-Key

• Poo-Key

• NiKey

• Te-Ne-Key

• Twin-Key

• Penultimate

• FYO

• Kitano

• Permaflex

Page 8: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

• Dinger

• Upright

• Wizard

• Semantic

• Little Monster

• Valiant

Page 9: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Keys 101

Page 10: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Straight Key

Page 11: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Speed Key or ‘Bug’

Page 12: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Sounder

Page 13: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Paddles

Page 14: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Iambic Paddles

Page 15: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Keyer

Page 16: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

The origins

Page 17: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Phelps Register

Page 18: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Vail Correspondent

Page 19: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Vail Lever Correspondent

Page 20: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Wheatstone needle telegraph

Page 21: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Dial Telegraph

(Deleuil, French 1855-1865)

Page 22: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Hughes Telegraph, France,

1850’s

Page 23: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Land Line

Page 24: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

George Bliss, Chicago

Page 25: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 26: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Tillotson, New York

Page 27: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Tillotson “Step Key”

Page 28: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

“Jenkins” Key

Page 29: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Partrick & Carter Lineman’s

Set

Page 30: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 31: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Lewis

Page 32: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Foote Pierson & Co., New York

(Skirrow Patent)

Page 33: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

New England Clock

Company

Page 34: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Later Land Line

Page 35: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

J.H. Bunnell

Mechanical Practice Set

Page 36: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 37: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

J.H Bunnell “Sideswiper”

Page 38: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Tillotson Victor Key

Page 39: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

G.W. Kiest Box Relay

Page 40: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Bunnell “Snare Drum”

Page 41: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Call boxes

Page 42: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Spark Keys

Page 43: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 44: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 45: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

United Wireless, Seattle

Page 46: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 47: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Marconi SE-86

Page 48: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 49: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Federal Telegraph, Wireless

Specialty Apparatus & Marconi

Page 50: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Boston Navy Yard

Page 51: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

McIntosh Electric

Page 52: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Spark-Gap and Marconi

“Roadmap”

Page 53: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Clapp-Eastham

“Boston Key”

Page 54: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Marconi Model 205

Page 55: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Wm. Duck CO. “Overland”

Page 56: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Homebrew

Page 57: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Kilbourne-Clark

“WFA Key”

Page 58: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Speed Keys

Page 59: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Vibroplex Original (Early)

Page 60: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Norcross Vibroplex

Page 61: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 62: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

ATOZ Vibroplex

Page 63: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

ATOZ Vibroplex

Page 64: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

AtoZ

Page 65: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Albright Label

Page 66: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Vibroplex Double Lever

Page 67: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Vibroplex Model “X”

Page 68: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Three base sizes

Page 69: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Vibroplex Upright

Page 70: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 71: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Vibroplex Midget

Page 72: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Vibroplex Midget

Page 73: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Vibroplex Patent 457

Page 74: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

And the rarest

Vibroplex….

Page 75: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 76: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 77: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Mecograph

Page 78: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Mecograph # 3

Page 79: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Mecograph #5

Page 80: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 81: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Thos. Dunn “Dunnduplex”

Page 82: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Bent Dow

Page 83: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Dow-Key Universal

Page 84: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 85: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

McElroy

Page 86: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 87: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 88: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 89: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

McElroy Junior

Page 90: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Telegraph Apparatus Co.

Page 91: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Teleplex

Page 92: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Melehan Valiant

Page 93: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Lytle Triplex

Page 94: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Foreign Stuff

Page 95: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Levinson’s ‘Like A Flash’

(Australia)

Page 96: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

McDonald Pendagraph

(Australia)

Page 97: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Buzza (Australia)

Page 98: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Rolph Brown Xograph

(Canada)

Page 99: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Eddystone

(England)

Page 100: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 101: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Vibro-Morse

(France)

Page 102: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Electro-

Mechanical

Keyers

Page 103: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

The MotoKey

Page 104: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

MotoKey

Page 105: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Mon-key

Page 106: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

T.0. Keyer (Jim Ricks,

W9TO)

Page 107: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

W6OWP Duo-Matic

(Forrest “Bart” Bartlett

Page 108: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Things that go

click in the

night….

Page 109: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Quik-Key

Page 110: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Kitano Key

Page 111: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

RAF “Bathtub Key”

Page 112: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Guess……

Page 113: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

J-51

Page 114: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

VE3QQ Glo-Key

Page 115: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Electronic Feather Touch

Page 116: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

J.H. Bunnell Secret Sounder

Page 117: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 118: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an
Page 119: The N7CFO Telegraph Key Collection · N7CFO Key Collection •I built a database that indexes over 5000 key ads over a 150 year period •I used to publish the N7CFO Keyletter, an

Thank you [email protected]