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 51
them in the molds in such awthe melted zinc will flow around them. The time required for a casting tosolidify varies with the size and shapeof the casting, but unless the patternis a very large one about five minuteswill be ample time for it to set. The. - v : . ::: \ /: and the sand brushed off.… … Power Is About 1 1-2 Hp. coupling at the center and mountingon separate beds. The complicated steam chests usedin many engines are replaced in thisone by simple cylinder valves withBimple stuffing boxes, which may betaken from globe or angle valves, ifthe builder does not wish to constructthem…
Handicraft · Amusements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
