Teardowns

A mystery Mailbag teardown item! Forum HERE Podcast: Download

How does a Countersurveillance Monitor (a.k.a Bug Detector) works to sweep a room for bugs? Teardown of the Research Electronics CPM-700 Also a look at the NSA “LoudAuto” radar retro-reflector spy bug, and some cold war ear Soviet embassy espionage. NSA Spy Devices Brochure Talking Electronics FM Bugs Forum HERE …

What’s inside the world’s first portable microcomputer? The Osborne 1 from Osborne Computer Corporation torn down. An Adam Osborne and Lee Felsenstein design. ROM Dumps HERE and HERE Field Service Manual Technical Manual Forum HERE Podcast: Download

The Dulmont Magnum “Kookaburra” from 1983 is the only laptop to have even been designed and made in Australia, as well as being the world’s first “clamshell” laptop design. Dave tears down this obscure retro classic based on the equally rare 80186. Download ROM images HERE Forum HERE Hires photos: …

A mystery teardown taken from Dave’s mailbag submission shelf. What will it be? Forum HERE Podcast: Download