The Technical World Magazine, Volume 6Technical World Company, 1907 |
From inside the book
Results 11-15 of 100
Page 98
... operation in the New York subway were recently taken by the light of a whole . car - load of Cooper - Hewitt mercury- vapor arc lights . For the purpose of these photographs seventy - two mercury- vapor lamps , each of 750 candle ...
... operation in the New York subway were recently taken by the light of a whole . car - load of Cooper - Hewitt mercury- vapor arc lights . For the purpose of these photographs seventy - two mercury- vapor lamps , each of 750 candle ...
Page 104
... operation and reason of its use ? -R . T. J. H L WRIGHT DEMAND METER . S The Wright demand , or discount , meter is used in connection with a watt- hour meter . It registers the maximum amount of current used on the line in which it is ...
... operation and reason of its use ? -R . T. J. H L WRIGHT DEMAND METER . S The Wright demand , or discount , meter is used in connection with a watt- hour meter . It registers the maximum amount of current used on the line in which it is ...
Page 105
... operation , usually , for only a few hours a day and for the re- maining time is idle , not earning money , while the interest on the money invested in it continues . By the use of a discount meter cus- tomers , whose use of current ...
... operation , usually , for only a few hours a day and for the re- maining time is idle , not earning money , while the interest on the money invested in it continues . By the use of a discount meter cus- tomers , whose use of current ...
Page 106
... operation is quite rapid . When other shafting is to be erected parallel to the first , if the distance does not exceed twelve or fifteen feet , a long stick such as shown in Fig . 1 may be used by driving a nail into the end of the ...
... operation is quite rapid . When other shafting is to be erected parallel to the first , if the distance does not exceed twelve or fifteen feet , a long stick such as shown in Fig . 1 may be used by driving a nail into the end of the ...
Page 108
... operation , not to have a trolley pole to watch . To Color Incandescent Globes How can I color incandescent lamp globes ? Dip the lamps in , or paint them with , a solution of collodion , in which an ani- Case - Hardening What is case ...
... operation , not to have a trolley pole to watch . To Color Incandescent Globes How can I color incandescent lamp globes ? Dip the lamps in , or paint them with , a solution of collodion , in which an ani- Case - Hardening What is case ...
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