The Technical World Magazine, Volume 4Technical World Company, 1906 |
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Page 61
... boilers . Electric me- ters , then , and vast numbers of them , are needed ; and the manufacture of " record- ing wattmeters " has arisen in the last fifteen years from comparative insignificance to the front rank among great electrical ...
... boilers . Electric me- ters , then , and vast numbers of them , are needed ; and the manufacture of " record- ing wattmeters " has arisen in the last fifteen years from comparative insignificance to the front rank among great electrical ...
Page 72
... boiler , which stands outside the incubator , and may be heated by an oil lamp , by gas , or by electricity . The temperature is automatically main- tained at the required heat by a specially constructed thermostat . This is made in the ...
... boiler , which stands outside the incubator , and may be heated by an oil lamp , by gas , or by electricity . The temperature is automatically main- tained at the required heat by a specially constructed thermostat . This is made in the ...
Page 105
... boilers , gas engines , or other machinery , and the rest to the stoves . These stoves are filled with " checkerwork " ( blocks of refractory ma- terial ) , and through them is passed all the air for the blast . At the stoves , the ...
... boilers , gas engines , or other machinery , and the rest to the stoves . These stoves are filled with " checkerwork " ( blocks of refractory ma- terial ) , and through them is passed all the air for the blast . At the stoves , the ...
Page 130
... boiler not only gives a direct reading , the same as the ordinary pressure gauge , but also records accurately all variations of pressure during the day or night . 20 100 140 PATENTED 180 300 220 260 CONSULTING DEPARTMENT- ( Continued ) ...
... boiler not only gives a direct reading , the same as the ordinary pressure gauge , but also records accurately all variations of pressure during the day or night . 20 100 140 PATENTED 180 300 220 260 CONSULTING DEPARTMENT- ( Continued ) ...
Page 136
... boiler explosions from excessive pressure . This safety valve is designed for working pressures up to 300 lbs . , and is tested for a pressure of 450 lbs . It is made in several different styles , the special features of which are ...
... boiler explosions from excessive pressure . This safety valve is designed for working pressures up to 300 lbs . , and is tested for a pressure of 450 lbs . It is made in several different styles , the special features of which are ...
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