of the spark gap. In the rear melted molybdenum and aluminium in an electric fur- and with the long wave in one-quarter of a wave. is arranged the Morse key, and on a )oard placed on nace. The resultant metallic mass is treated with a The antenna is outbalanced, in the first case, by a stout… … defined crystals of the new carbon compound are ob- receiving transformer is located. On the frame sepa- rating the car has been arranged the large receiving while the amount necessary in the second case is as tained. The substance is very hard, is hardly attacked by high as twenty-four square…
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