The Technical World Magazine, Volume 7Technical World Company, 1907 |
From inside the book
Results 11-15 of 73
Page 151
... heat which produces the nitric oxide will also cause its dissociation un- less it is speedily re- moved from the influ- ence of the electric spark . It is this second factor which has caused efforts to use Caven- dish's discovery and to ...
... heat which produces the nitric oxide will also cause its dissociation un- less it is speedily re- moved from the influ- ence of the electric spark . It is this second factor which has caused efforts to use Caven- dish's discovery and to ...
Page 164
... HEAT ACCOMPLISHES WHAT OTHER METHODS FAILED TO DO . most trying hardships ere they reach home , sometimes traversing hundreds of miles of storm - swept ocean in open boats , and at others having to spend weary months on desolate rocks ...
... HEAT ACCOMPLISHES WHAT OTHER METHODS FAILED TO DO . most trying hardships ere they reach home , sometimes traversing hundreds of miles of storm - swept ocean in open boats , and at others having to spend weary months on desolate rocks ...
Page 165
... HEAT ACCOMPLISHES WHAT OTHER METHODS FAILED TO DO . WORKMAN CUTTING OFF STRUCTURAL STEEL BY ELECTRIC ARC PROCESS . HE work of demolishing the grim and gigantic skeleton of the Old Pal- ace Hotel , in San Fran- cisco , is now in active ...
... HEAT ACCOMPLISHES WHAT OTHER METHODS FAILED TO DO . WORKMAN CUTTING OFF STRUCTURAL STEEL BY ELECTRIC ARC PROCESS . HE work of demolishing the grim and gigantic skeleton of the Old Pal- ace Hotel , in San Fran- cisco , is now in active ...
Page 173
... the best that can be done with the Edison lamp is to produce a light where only 5 per cent of the power enters into illumination , the re- mainder being lost in heat . In the Helion lamp it has been found. SUNLIGHT MADE TO ORDER 173.
... the best that can be done with the Edison lamp is to produce a light where only 5 per cent of the power enters into illumination , the re- mainder being lost in heat . In the Helion lamp it has been found. SUNLIGHT MADE TO ORDER 173.
Page 174
... heat . In the Helion lamp it has been found that light representing 1,000 candle power costs about twenty cents an hour , while the same degree of illumina- tion in the ordinary carbon filament in- candescent light would cost seventy ...
... heat . In the Helion lamp it has been found that light representing 1,000 candle power costs about twenty cents an hour , while the same degree of illumina- tion in the ordinary carbon filament in- candescent light would cost seventy ...
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