RADIO

Advices for repairing antique radios with vacuum tubes

Informations concerning the old electronic components 

Advices for buying or selling old radios

Software Defined Radio, a brief introduction

Hi-Fi

Advices about HI-FI: Jargon of HiFi, power amplifier, speakers, vacuum tubes or transistors power amplifier repairing 

Advices for buying old power amplifiers

The "petit livre d'or de l'acoustique" issued by 3A company (which disappeared in 1980s)

Repairing power amplifiers with transitors or vacuum tubes

Direct access to the software GeigerPC to manage the very low power Geiger-Muller counters (GMC) PC-GM3, PC-GM4, PC-GM5 PC-GM6 and PC-GM8. You'll find also some information on Geiger Muller Counter and how to measure radiations.

Direct access to the software PCCAM to manage smart-cards 

Download: User manuals, schematics, tuning dials, old advertisings, infocards...

Testimony from visitors 

My motivations: Why I'm interrested by these technical objects

Personal web site. You'll find some informations about the family Chour, Laruelle, Van den Eynde as well as some informations about the companies Quilllery St Maur and the Comptoir Lyon Alemand. Also, You'll find a document about the first world war (14-18) which has been writen by my granduncle