Short Proctors design multishaft Sprengel mercury

Made:
1919-1929 in Europe
maker:
Hermann Johann Philipp Sprengel

Short Proctors design multishaft Sprengel mercury vacuum pump, 1919-1929

Details

Category:
Vacuum Technology
Object Number:
1929-460
Materials:
glass and rubber (unidentified)
credit:
Mr. C. Faraday Proctor.