UNITED STATES 1940s. Scientist in laboratory looks into microscope. Two scientists work in lab.

Name: United States 1940s Scientist Laboratory Looks
Uploaded: 2015-08-21T00:00:00.000Z
Duration: 10 s
Channel: AV Geeks
Description: UNITED STATES 1940s. Scientist in laboratory looks into microscope. Two scientists work in lab. Stock Footage Video (100% Royalty-free) 11319881 | Shutterstock