Ye ol' Sonar: Late 1970's Raytheon Fathometer and manual on display as a conversation starter at my office : r/Surveying

Ye ol' Sonar: Late 1970's Raytheon Fathometer and manual on display as a conversation starter at my office : r/Surveying

CRATER LAKE PHASE - Alaska Energy Data Inventory

Ye ol' Sonar: Late 1970's Raytheon Fathometer and manual on display as a conversation starter at my office : r/Surveying

“Untested” Raytheon Model DE-719 Unit 7430 Precision Survey Fathometer Depth Recorder Condition is used. We are unable to test this survey fathometer.

Raytheon Model DE-719 Unit 7430 Precision Survey Fathometer Depth Recorder

YL #hamradio Ham radio, Ham radio antenna, Radio

After 2,857 nights, Baltimore's 'Streetcorner Astronomer' sets up his telescope one last time – Baltimore Sun

The doors of the C-17 Corrosion Control Hanger at Hickam Air Force Base on Oahu were specifically made to be fitted around the large aft of a Globemaster III… : r/interestingasfuck

Latitude 38 August 1997 by Latitude 38 Media, LLC - Issuu

Sun Interrogator Diagnostics Machine - tools - by owner - sale - craigslist

Ye ol' Sonar: Late 1970's Raytheon Fathometer and manual on display as a conversation starter at my office : r/Surveying

The 1970s librarians who revolutionised the challenge of search

Back in the day to turn your high beams on or off there was a button on the floor. : r/nostalgia

quiz 2 avia342.rtf - Instructions Time limit: 2 hours 20 true/false multiple-choice short answer and essay questions Open-book/open-notes Do not hit

August 3, 1977: The TRS-80 Personal Computer Goes on Sale, At the Smithsonian

Command History 1970 Volume IV, PDF, Classified Information In The United States