Convention, Volume 1;Volume 33;Volume 38 |
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Halaman 313
... treated with other poles , as they require a severer treatment . 3. Very old dry poles should not be treated in the same run with timber just seasoned . 4. Seasoned pine can be very successfully treated with creosote with absorptions up ...
... treated with other poles , as they require a severer treatment . 3. Very old dry poles should not be treated in the same run with timber just seasoned . 4. Seasoned pine can be very successfully treated with creosote with absorptions up ...
Halaman 321
... treated in a zinc chloride solution heated to 210 degrees Fahrenheit for one to four hours and allowed to cool , averaged an absorption of four pounds per cubic foot . This treatment is unnecessarily long for poles so well seasoned ...
... treated in a zinc chloride solution heated to 210 degrees Fahrenheit for one to four hours and allowed to cool , averaged an absorption of four pounds per cubic foot . This treatment is unnecessarily long for poles so well seasoned ...
Halaman 330
... treated poles would have a life as follows : Copper sulphate Zinc chloride Dead oil of coal - tar . Corrosive sublimate 25 years 66 25 66 35 28 66 and untreated poles 25 years . The surplus thus obtained has accordingly been added to ...
... treated poles would have a life as follows : Copper sulphate Zinc chloride Dead oil of coal - tar . Corrosive sublimate 25 years 66 25 66 35 28 66 and untreated poles 25 years . The surplus thus obtained has accordingly been added to ...
Isi
1PaperLatitude in Commercialism By ARTHUR | xxiii |
1PaperCentralStation Advertising By H | xxix |
3PaperDecorative Street Lighting By E | l |
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Allegheny County arc lamps average Baltimore candle-power cent central station charge Chicago coal-tar Colo Committee Commonwealth Edison Company Company of Boston Company of Brooklyn Consolidated Gas consumer cost creosote cubic foot customers Denver Gas direct current Edison Electric Illuminating Electric and Manufacturing Electric Illuminating Company Electric Lamp Association Electric Light Company engine feet filament Gas and Electric Heat and Power horse-power increase installation interest John kilowatt-hour kilowatts Light and Power Louis LUMINOUS ARC Manufacturing Company Mass meter motor National Electric Lamp North Shore Electric Ohio operating pany of Brooklyn Philadelphia Electric Company plant poles Power Company President Public Service Corporation Railway and Light Rochester Railway Schenectady Shore Electric Company steam street timber tion treatment tungsten lamps Union Electric Light United volts water-power watts Westinghouse Electric William wires York City York Edison Company zinc chloride