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

oz.Typewriter: Onanistically Speaking, £7000 Is A Lot For A Painted Typewriter

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

Nearly 50 years later, an overdue library book makes it way home to Lake Elmo

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

Raytheon Survey Fathometer DE719 CM

TRS 80 Model III Exatron Stringy Floppy

YL #hamradio Ham radio, Ham radio antenna, Radio

This is the Canadian Space Gun 'Project HARP' created by Gerald Bull the largest version had a 16.4-inch diameter and was created in 1964 with the intention of firing satellites directly into