A vacuum pump invented by Hanover-born chemist Hermann Sprengel in 1865. This pump could be run continuously and without any supervision to achieve th
A vacuum pump invented by Hanover-born chemist Hermann Sprengel in 1865. This pump could be run continuously and without any supervision to achieve the lowest vacuum achievable at that time, vintage line drawing or engraving illustration.
Size: 2334px × 5000px
Photo credit: © Patrick Guenette / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: apparatus, art, black, chemistry, engraved, engraving, illustration, pump, sprengel, vector, vectors, vintage, white
