Page:Wireless Telegraphy and Telephony (1908, Massie and Underhill).djvu/77

waves, whereas mn wireless telephony the waves are damped, or, in other words, their form is changed by the effects of speech in the transmitter. Moreover, so great

Fig. 27.—Wireless Telephone Transmitter Connections

an amount of energy cannot be handled with the wireless telephone, as with the wireless telegraph.

While wireless telegrams have been successfully transmitted and received over a distance exceeding 3000