A catalogue of philosophical, astronomical, chemical and electrical apparatus (1846)
Wightman, Joseph M. (Joseph Milner), 1812-1885 · Boston : Printed by Samuel N. Dickinson & Co. · leaf 17
18 … The dimensions of this Air Pump, as at present made, are, — height, 18 inches; length, 20 inches; Barrel, 7 inches long, and 2\ inches interior diameter. The frame is of solid Mahogany, pol- ished, and the Bolts pass entirely through the pillars and connect with nuts under the Base, rendering the…
Scientific apparatus and instruments · Wightman, Joseph M. (Joseph Milner), 1812-1885
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
