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 70
ying illustration is areproduction of a photograph print ob-tained from a nega-tive made of de-veloping or g a slight paper whichwas used in theplate holder insteadof a plate or film.The time given tomake this exposurewas one minute.The bath used indeveloping and fix-ing is the same ason… … The illustration shows a hollow ball.6 in. diameter, the shell being about1J in. thick. It contains 263 piecesof hardwood, fit-ted perfectly withglue. Twenty-fivekinds of woodwere used. A6-in. ball of firwas first turnedand a chuck madeto hold the ball.Holes were thenbored to a depthof 3 in. (to…
Handicraft · Amusements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
