More Technological Advances 13-4

Singer sewing machine McCormick reaper

Deere steel plow

A. Messages by Wire 1. Samuel Morse invented the telegraph 1832

2. Volta invented the battery & Ampere studied electricity and magnetism

3. 1844 Democratic National Convention results were sent using Morse code

B. New Factories 1. factories switched from water to steam power 2. Northeast remained the home of industry a. factories built closer to cities & transportation

centers b. closer to workers meant lower labor and shipping

costs c. cities became centers of industrialization d. interchangeable parts were produced by 1840s

C. Better Farm Equipment 1. 1837 John Deere invented the steel plow

a. dirt stuck to the iron blade on old plows b. he got the idea from blades he had seen in a sawmill c. by 1846 he was selling 1,000 plows per year 2. Cyrus McCormick invented the mechanical reaper

a. it cut down wheat quickly and efficiently b. he began mass producing the reaper in the 1840s c. Chicago factory was 1 of first to use steam power

D. Changing Life at Home 1. 1850s Isaac Singer improved the sewing machine 2. clever design & easy to use 3. women bought 1 to try to earn extra money at home by making clothing for companies 4. 1830s the icebox was invented 5. iron cookstoves replaced cooking fires and stone hearths 6. cities built public water systems 7. matches invented in the 1830s, and safety pin in 1849