What to do and how to do it; the American boys handy book (1920)
Beard, Daniel Carter, 1850-1941 · New York, C. Scribner's sons · leaf 444
THE TRIGGER. Make the trigger of a piece of perfectly straight hoop-iron,three or four inches long; with a nail, punch two holes in it; bendabout half an inch of one end of the iron at right angles ; themmake a triangular block of wood, and bpre a hole in one corner, 416 , Summer, and with a screw…
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