Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 14
tmospheric pressure from without might cause its sides to collapse, and thus effect thedestruction of the boiler. AIR-PUMP. An apparatus to extract or exhaust the air from a vessel, to produce a vacuum. Fig. 5 is a sectional view of the common form of the Air-pump. R is a bell-shaped glass ves-sel,… … 12 AIR-PUMP: rubbed upon the edge of the glass vessel, commonly called the receiver, and then the rim placed, by tkind of circular sliding motion, upon the brass plate, no ah- can pass in or out of the receiver, betweenits edge and the plate. Through the centre of the brass plate there is drilled…
Mechanical engineering · Mechanics · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
