IEEE

Category:Vacuum technology

SHARE |

From GHN

Jump to: navigation, search

See the Electron (or Vacuum) Tubes article for a history of vacuum tubes.

Quartz gravimeter pendulums used in the gravimeter instrument designed by The Gulf Research and Development Company in 1929
Quartz gravimeter pendulums used in the gravimeter instrument designed by The Gulf Research and Development Company in 1929

Media in category "Vacuum technology"

The following 2 files are in this category, out of 2 total.