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 20
21 WIGHTMAN'S PATENT LEVER AIR PTJMP ON HIGH STAND. Fig. 30. — No 03. … The Air Pump represented above, not only exhausts the air, but from its peculiar construction, combines both the power of con- densing and transferring air or gas, while at the same time the ac- curacy of exhaustion and the ease of operation are increased. This is effected by the application of a…
Scientific apparatus and instruments · Wightman, Joseph M. (Joseph Milner), 1812-1885
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