Comment régler un manipulateur Vibromors Type A ?

How to adjust a Vibromors key? VIBROMORS was sold in France by Radio-Lune between the end of World War II and the 1970s. After some research, here are the recommendations from that time for the basic adjustments of a Vibromors key. Sources used: F2QH - F9WT - F6DDR - F6IIE - F5PKR Radio-Lune Catalog 1953 Radio-Ref August 1957 F4KJU - Auvergne Radio and Communications Museum Place du Monteil 43120 Monistrol-sur-Loire #museum #amateurradio #radio #hamradio #yaesu #kenwood #icom #vhf #uhf #antenna #telegraphy #DX #cw