Philadelphia College of Pharmacy, Philadelphia College of Pharmacy and Science · Philadelphia : Philadelphia College of Pharmacy · leaf 226
s three and a half inches in depth. To the middle of the upper edge, or what, in analogy with a comb, which it somewhat re- sembles, might be termed the " back," is attached the handle by which it is pushed forward, — a stiff bar of iron, hinged or rivet- ted, as the case may be, at the requisite… … SWING GUIDE MAEKER. Next comes the swing guide marker. This implement differs from the hand plow in being considerably larger, having two handles, similar to those of the tools employed in plowing land, set on to the hinder end of the plow. The swing guide, to which it owes its distinctive…
Pharmacy · Pharmacology
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
