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 42
Paddle Boat in Operation The hubs, C, should be made ofwood, drilled to fit the shaft and mor-tised out to hold the paddles. D. Thecovers. E, may be constructed of thinwood or galvanized iron and shouldbe braced by triangular boarir as … Details of Paddle Boat is used it should be exposed to theweather two or three months beforepainting or the paint will come off.spoiling its appearance. POPULAR MECHANICS Mow to Make ■ Hydrometer A home-made hygrometer, for de-termining tl • moisture inthe atmosphere, is shown in the ac-companying…
Handicraft · Amusements
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