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Category:Vacuum technology

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See the [[Electron (or Vacuum) Tubes]] article for a history of vacuum tubes.
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[[Image:Vacuum Technology Quartz gravimeter pendulums 1950.jpg|thumb|right| Quartz gravimeter pendulums used in the gravimeter instrument designed by The Gulf Research and Development Company in 1929]]
  
IEEE GHN Category [[Category:Electron devices]]
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[[Category:Electron_devices|{{PAGENAME}}]]

Revision as of 18:36, 6 March 2012

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

Pages in category "Vacuum technology"

The following 57 pages are in this category, out of 57 total.

A

B

C

D

E

F

G

H

I

K

L

M

O

P

R

R cont.

S

T

V

W

Media in category "Vacuum technology"

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