Speck model V-30-5509-3 liquid ring vacuum pump, 1hp, 230/460/3/60, 2850rpm, serial number 100255...

Vac-U-Max 15hp positive displacement vacuum pump system, set up with a Sutorbilt GAEMBPA 4" rotar...

Gast mild steel vacuum pump, model number 0823-101Q-G271X, serial number 1191, 1/2" threaded fitt...

Vac-U-Max 5hp positive displacement vacuum pump system, set up with a Sutorbilt GACMBPA 2.5" rota...

Busch single stage rotary vane vacuum pump, model number RC0025.E506.1101, serial number U0259036...

Busch single stage rotary vane vacuum pump, type number RA 0250-B006-1001, serial number 0 6784, ...