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 30
proper position to make a wip-ing contact with the nuts holding the stripof wood ~D, Fig. 1. Put the screw in tightenough to make the block turn a little hard.Connect as shown in the illustration. Toreverse, turn the block so the strips changeconnections and the motor will do the rest.—Contributed… … Automatic Time Draft=Opener. is put through a loop in the cord at aboutthe level of the table top on which thealarm clock, F, stands. The other end ofstick, E, is placed under the key, G, of thealarm clock. When the alarm rings in theearly morning, the key turns, the stickfalls away, releasing the…
Handicraft · Amusements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
