Convention, Volume 39,Bagian 2;Volume 60 |
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Halaman 138
... tungsten lamps have shown this measure to be an inaccurate and inadequate index to the total illuminating power of a lamp . Such inaccuracy in the past has led to confusion and improper practice . During the past year or two this has ...
... tungsten lamps have shown this measure to be an inaccurate and inadequate index to the total illuminating power of a lamp . Such inaccuracy in the past has led to confusion and improper practice . During the past year or two this has ...
Halaman 586
... tungsten 150 - watt Type of reflector , weatherproof shallow distributing Height , 16 feet Location , pipe fixtures 4 feet 6 inches from building Minimum amount of light , one - twelfth candlepower . Yards Type of lamp , tungsten 400 ...
... tungsten 150 - watt Type of reflector , weatherproof shallow distributing Height , 16 feet Location , pipe fixtures 4 feet 6 inches from building Minimum amount of light , one - twelfth candlepower . Yards Type of lamp , tungsten 400 ...
Halaman 798
... tungsten product . It would be of very great advantage to the manufac- turers in reducing their production cost , in concentrating pro- duction on a lesser number of types , influencing not only the production cost , but the storage and ...
... tungsten product . It would be of very great advantage to the manufac- turers in reducing their production cost , in concentrating pro- duction on a lesser number of types , influencing not only the production cost , but the storage and ...
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advertising amperes appliances arc lamps Arc Welding average boiler booklet building campaign candlepower capacity cent central station Chairman Chicago Commercial Section Committee Commonwealth Edison Company compressor concentric wiring connection consumption contract contractor cost curves discussion Edison Company efficiency Elec Rev Elec World electric cooking electric flag electric heat Electric Light electric range engine equipment factor fixtures flood lighting foot-candles fuel furnace house wiring illumination incandescent lamps increase industrial installation insulation interest iron kilowatt-hour kilowatts kw-hr large number Light & Power load machine manufacturers mazda lamps merchandising metal meter methods month motor obtained operation oven pipe plant present production reflectors Sales Bureau salesman secure sell standard station company steam steel street lighting Sub-Committee tank temperature tion tungsten units voltage volts water heaters watts welder York City