Technical pages :
Du tube électronique à la bougie
by R. Pélouard.
History of men :
Histoire du transformateur électrique Lucien Gaulard
by J.-C. Montagné.
Lucien Gaulard, a french engineer, was the inventor of the electrical transformer. He worked with J.D. Gibbs, a british engineer, and lighted the London underground stations.
History of techniques :
De Poulsen au disque dur. Chapitre 3
by A. Rémond.
L'évolution du télégraphe
Chapters 1 and 2 of this review have tackled the very first outset of magnetic recording. This chapter 3 deals with its development and reseach works devoted to the realization of convenient devices, since the Poulsen's telegraphon did not reach the power and sound quality available with a phonograph.
The HAM page :
Antenne de réception OC à large bande
by R. Houzé.
How to build a short waves broad band antenna (12-49 meters band).
Histoire de la radio maritime
by Michel Balannec.
Here is a short review of the French "radio maritime" (wireless at sea). It follows an exhibition held in Douarnenez (France-Bretagne) by Treizour (an association of old seamen).
Voilà pourquoi il ne faut pas tuer le Morse…!
by O' Gars.
La protection électrique du collectionneur-restaurateur radioélectricien.
by R. Pélouard.
A short survey of the main power evolution supply in France during the past years. All this to arrive at the description of an home-made safety board for the current supply of our old receivers. Especially for those who are accustomed with transistors and low voltages, the construction of such a board is a good work.
Panne curieuse : un tuyau pour le dépannage radio
by J. Louvet.