Handicraft for handy boys; practical plans for work and play, with many ideas for earning money (1911)
Hall, A. Neely (Albert Neely), b. 1883- · Boston, Lothrop, Lee & Shepard Co · leaf 286
carbon should be cut from thebattery carbons, how their ends should be tapered toa sharp edge with a file, and how the brass, copper,or tin strips should be cut and bent. Cut the carbon 234 HANDICRAFT FOR HANDY BOYS pieces ij inches high and the brass pieces 2 J- incheslong by the width of the… … Fig. 307 Section Fig. 309.Fig. 307. — A Home-made Microphone Detector. (See Fig. 326.)Fig. 308. — How to prepare the Carbon and Brass Pieces.Fig. 309. — Section showing how to fasten the Pieces Together. and make the edge between the tips lower than thecarbon tops (see Fig. 309), as the needle must…
Woodwork · Toys · Amusements
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