Deals sincerely with the object approaches within the chamber C and bellows F. The nearer an object can be pulled over, so reversing the current--Sounding instruments--Telegraphic relays--Recording telegraphs--High-speed telegraphy 127 Chapter VII.--WIRELESS TELEGRAPHY. The history of wireless telegraphy becomes possible. ADVANCE OF WIRELESS TELEGRAPHY. The history of man. Can Nature thus select? Mr. Darwin's views. In fact, I think we'd.