Again in my old lab, restoring a 1930s German wall mount telephone. Sadly, it lacks a handset... but the generator, bell and hook switch are still there, so I tried to get them to work. Shorting the line terminals allows the phone to ring its own bell!

0:00 Intro 0:20 Overview of the telephone 2:16 Exchanges, local and central battery systems 6:08 Bench time 28:00 Taking the generator out 30:48 Generator disassembly and cleaning 49:50 Generator reassembly 1:06:00 Testing the generator 1:07:45 It's alive! 1:10:00 Before I put the generator back in... 1:17:10 A little ASMR for you all 1:18:05 Bell disassembly 1:23:00 Bell cleaning 1:24:30 Bell reassembly 1:29:52 Generator and bell test 1:32:05 Putting the generator back in 1:32:28 Reassembly mistake 1:34:43 Putting the generator back in 1:42:00 Bell troubleshooting time 1:47:35 It's alive (again) 1:50:00 Rings a bell, miission accomplished! 1:44:44 "Keri on doing the Fran-tastic job..." 1:44:50 Crankiness! 1:56:20 Experimenting

Support me on my Patreon page at https://www.patreon.com/KeritechElectronics Instagram - https://www.instagram.com/KeriSzafir Telegram channel - https://t.me/KeritechElectronics