Olivetti Multisumma 20 - Part 2 - Mechanism & Repairs
15:47
Olivetti Multisumma 20 - Electro Mechanical Adding Machine - Part 1
33:23
Restoration of an Antique Swedish Calculator (FACIT)
22:04
Apollo DSKY – parte 1: ¡Tenemos un DSKY real (y roto)!
13:37
Vintage Camera Repairs - Some Tools for Fixing Old Cameras
6:16
olivetti: résurrection d'une divisumma 24
28:32
Taxi Cyclemaster Rabeneick | ¡Motor dentro de una rueda! ¡INCLUSO! ¡OH NO!
21:20
RIPARAZIONE CALCOLATRICE MECCANICA OLIVETTI SUMMA 15
12:08