Jump to content UNITED STATES
hp.com home products and services support and drivers solutions how to buy
» contact hp

hp.com home
about us  |  history and facts   |  virtual museum   |  early instruments

Model 400B Vacuum Tube Voltmeter, 1948—close-up

printable version

» company information

» history and facts home
  » hp timeline
  » virtual museum
  » early instruments
  » personal systems
  » imaging and printing
  » chronological order
Content starts here

Return to six views page.

Model 400B Vacuum Tube Voltmeter - front view.

privacy statement using this site means you accept its terms feedback to webmaster