. Popular electricity magazine in plain English. 4- inchhole should be drilled throughthe center of the of the carbonrods are shown. The switch has a rubberhandle and a i| thread istapped on the bottom ofthe handle. The switchblade is made of a piece ofbrass \yi by % inch. Itshould be about No. 14gauge. The blade should bebent as shown and solderedto the shank. The switchis held in place on the coverof the box by a spring (B).The spring (B) should befastened with a brass wood screw. The carbon rods should be connected in serieswith each other, stranded wire being \ised. Oneof
. Popular electricity magazine in plain English. 4- inchhole should be drilled throughthe center of the of the carbonrods are shown. The switch has a rubberhandle and a i| thread istapped on the bottom ofthe handle. The switchblade is made of a piece ofbrass \yi by % inch. Itshould be about No. 14gauge. The blade should bebent as shown and solderedto the shank. The switchis held in place on the coverof the box by a spring (B).The spring (B) should befastened with a brass wood screw. The carbon rods should be connected in serieswith each other, stranded wire being \ised. Oneof the carbons should be connected to bindingpost (C) and the switch should be connected tobinding post (D).—Samuel Cohen. Battleships Wireless Room. SAYVILLE TO NAPLES LATEST NAVYWIRELESS FEAT A practical wireless test was conducted bythe Atlantic battleship fleet while on its recent SN X^x// \^«l Mm- £ * \ W i ■■^^SSe^L Cage Mast Carrying Aerials on Dreadnaught cruise to various Mediterranean ports. The testfirst took the form of a competition between thewireless officers on nine U. S. battleships wheneach ships apparatus was used both for sendingand receiving messages to and from the greatnaval station at Arlington, Va. During the first 2,000 miles of the trip all theships were able to reach Arlington, but from thenon until the fleet passed Gibraltar the laurelswent to the radio force of the dreadnaughtFlorida. After leaving Gibraltar nothing morewas heard of Arlington, and later it was learnedthat Arlington had not again picked up thefleet. It was clearly demonstrated, however,that Arlington could flash messages for 3,000miles, which could be caught by the Florida. While at anchor in Naples, Italy, nearly 4,500miles from
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectelectri, bookyear1912
