7:30

First MAGNAVOX transistor radio - 1956 - hand-wired, made in USA, first and only Sentinel transistor

24:02

10 Amazing Acorn Archimedes Facts

3:17

COMMODORE 64 += Black Hole V1.3 =+ NEW GAME 2025

8:49

CBS Transistor Radio, USA 1956 - building crystal set from Encyclopedia - Trav-Ler, Sonora, Truetone

15:35

Broadcast Like It's 1940! Review of AMT-MW207 AM Transmitter!

7:06

An introduction to the audio tape deck and associated electronics installed in MCR21

16:49

Vinyl sound quality myth destroyed

19:03

WW2 Dynamo Flashlight - Doesn't Use Batteries! Let's look Inside.