Wireless Telegraphy and Telephony

CATALOGUE OF GOOD, PRACTICAL BOOKS is given a simple explanation with reference to wiring for direct and iifornnfintr currents. The fundamental principle of drop of potential in’circuits is shown wiÄ äs. a s&sf* •pftwx -Ä tion, and switchboards are systematically treated, built up and illustrated“Sno Ä ÄttPÄ"the Tarto"s ‘•“““■»“«.'l-cludlug °S> • • • • • • • • «pl.OU ELECCONSTRUCTIONIN BvDP NfA T°rvr ILDD[G’ AND ELECTRIC MOTOR cuiNbiKUCUOjN. By Prof. T. O’Conor Sloane. te ^ISSSJSSSfiS?«? 81“triCal W'“ The ™rl£ PRACTICAL ELECTRICITY. By Prof. T. O’Conor Sloane ÄS' Alter5: 9”Ä" °Tf tS? O«»«» SUtiou SwiÄSrfs, slfe®pplÄ SSS ELECTRICITY SIMPLIFIED. By Prof. T. O’Conor Sloane »ur streets, t'o &XSXSSWA'ffi electricity. °13aBEatttS.'1US'SSat ffi’XHf “S“.“? f HOUSE WIRING. By Thomas W. Poppe. This work describes and illustrates the actual installation of Electric TJ<?hf Wiring the maimer in which the work should be done, and the method of doing it The book and ^ApprenticentlIt TJlvIs an i is int.ended fot’ tho El^trician^eW .R, 'r i■ lce‘ z-i? solves all Wiring Problems and contains nothine that ennfiiets with the rulings of the National Board of Fire Underwriters It ävä Tust the inform^ J-«®®?» j-jocciliiIö tne ivieter. 1 and ISoaids. Switches. Plug Recentaclps Rrarkptcs C’oilinff Fixtures. The Meter Connections. The Feed WiresT The Steel Armored c4bte ol?tenkT Jhe T^xibl? Conduit System. The Ridig Conduit System A digest of the National Board of Fire Underwriters’ rules relating to metallic wirin» svst mis Various switching arrangements explained and diagrammed. The easiest method of U