The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose

by Thomas Walter Barber

[1305]. Disston’s; used as a pressure blower.

[1306]. Root’s, blower and pump.

[1307]. Root’s.

[1308]. Mackenzie’s; may have one, two, or three vanes.

[1309]. Gould’s.

[1310]. Bagley and Sewall’s.

[1311]. Greindl’s rotary pump.

[1312], [1313], [1314], & [1315]. Varieties of intergeared piston rotary engines.

[Larger plate.]