0 which keeps large pieces from passing into the machine. top view of the cutter and threader, and Fig. 2 a sectional The Human Voice Transmitted by Telegraph. The sand passes down to the feeder, B, which carries it Several weeks ago we gave a sketch and description of end view of the same. the… … the possibility of conveying vocal When the pipe is threaded, the ma- sounds by means of the ord nary te- chine is returned for clearing the legraph wires and special appliances thread by a semicircular handlewith for transmitting and receiving the hook end, that is inserted into the sounds. The…
Internet Archive · Public domain (published before 1931). Free to use for anything.
