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 14
ting it fromthe catch. A large gate hinge is used to hold thepedal to the floor.—Contributed by EdwardWhitney, 18 E. Gorham St., Madison, Wis. WRITING WITH ELECTRICITY Soak a piece of white paper in a solutionof potassium iodide and water for about aminute and then lay on a piece of sheetmetal.… … Electrolytic Writing background.—Contributed by Geo. W. Fry,1250 Locust St.. San Jose, Cal. TO DRIVE AWAY DOGS The dogs in my neighborhood used tocome around picking up scraps. After Iconnected up my induction coil, as shownin the sketch, we were not bothered withthem. A indicates the ground; B.…
Handicraft · Amusements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
