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 85
ield ofthe motor. By this arrangement one,two or three and so on up until all thebattery cells are used and differentpoints of resistance secured on the coilof wire. The reverse lever when movedfrom right to left, or left to right, changes the direction of the armaturein the motor from one way to… … The Human Pyramid mid on the sands of a New Jerseybathing beach between dips in thebriny deep. Dont pull a lamp hung by flexiblecord to one side with a wire and thenfasten to a gas pipe. I have seen awire become red hot in this manner.If the lamp hung by a cord must bepulled over, use a string.…
Handicraft · Amusements
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