Blacksmiths Illustrated manual part 4 · divide by 9, viz. Similarly find the weight of the 3-inch...
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Blacksmiths Illustrated manual part 4 · divide by 9, viz. Similarly find the weight of the 3-inch diameter bar . = 2 lb. per inch. 3 x 3 x 2+9 — 2 4 ins. FIG. 2 shows 4 ins. of
