Ericsson AGF telephone exchange 500 line selector demo
The Ericsson AGF telephone exchange was used all over the world for more than 50 years. The key element of these exchanges is a 500 line selector. This is a demo of the operation of such a selector. The missing parts are simulated with an Arduino microcontroller.

▶︎
My vintage Strowger Telephone Exchange Demonstrator

▶︎
At the Connections Museum: the insane telephone technology that led to today's computers

▶︎
Ericsson XY selector demo

▶︎
How does MF signaling work? - Dial Equipment Appreciation, Part 3

▶︎
Pre-2000 Strowger selector demonstrator

▶︎
The Dial Comes To Town

▶︎
Soyuz "Globus" Mechanical Navigation Computer Part 1: Grand Opening

▶︎
Creed7bTeleprinterDemo

▶︎
Plugging a Vintage Telephone Exchange Into The Internet So People Can Use It

▶︎
AT&T Archives: The Phone Boom of the 1950s

▶︎
The Surprising Flaws in 18650 Lithium-Ion Batteries

▶︎
STROWGER Telephone Exchange mechanical machine

▶︎
What Happened to Shortwave Radios? The Truth is Brutal.

▶︎
Crossbar telephone exchange demo

▶︎
The Beautiful Life Of A Telephone Operator. Wouldn't This Convince You To Become One?

▶︎
A Call To PEnnsylvania 6-5000 Through The Step-by-Step Telephone Switching System

▶︎
I Hacked A Vintage Telephone Exchange To Be Musical Like Drums

▶︎
I Bought a 2nd Processor for my 8-Bit BBC Micro!

▶︎
Long Distance Telephone Calls: Speeding Speech - circa 1950 - CharlieDeanArchives / Archival Footage

▶︎
