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 40
front and back to sup-port the cross-boards, BB. which inturn support the mold while it is be-ing made. The object of using thecleats and removable cross-boards instead of a stationary shelf is to giveaccess to the sand, C. when it is be-ing prepared. About one or two cubic feet of finemolding sand…
Handicraft · Amusements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
