Amateur mechanics ... a book for old and young who like to make things .. (1907)
Popular mechanics magazine, Chicago. [from old catalog] · Chicago, Popular mechanics · leaf 28
e rubber hose, D, as thepresence of a little air in the generator willmake an explosive mixture which wouldprobably break the jar. HOW TO MAKE A CHEAP BRACKETSAW For the frame use %-in. round iron,bending it as shown in the diagram andfiling a knob on each end, at opposite sidesto each other, on… … Hack Saw Frame and Blade shown, and file in the teeth. Make theblade 12 in. long, with ten teeth to the inch.A and B show how the blade fits on theframe.—Contributed by Willard J. Hays,Summitville, Ohio. WHY GRAVITY BATTERIES FAIL TOWORK Many amateur electricians and some pro-fessionals have had…
Handicraft · Amusements
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