Industrial Heating, Volym 25National Industrial Publishing Company, 1958 |
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Resultat 1-3 av 60
Sida 391
... switch and associated temperature setting pointer ; ( b ) 2 control switches with temperature setting pointer for 1 switch only - the sec- ond switch can be set to operate at a selected temperature differential above or below the first ...
... switch and associated temperature setting pointer ; ( b ) 2 control switches with temperature setting pointer for 1 switch only - the sec- ond switch can be set to operate at a selected temperature differential above or below the first ...
Sida 614
... Switch or Bacharach Industrial Instrument Co. , 200 N. Braddock Ave. , Pitts- burgh 8 , Pa . , has introduced low- pressure switch to control or sig- nal small pressures , vacuums differential pressures . It is ideally suited for ...
... Switch or Bacharach Industrial Instrument Co. , 200 N. Braddock Ave. , Pitts- burgh 8 , Pa . , has introduced low- pressure switch to control or sig- nal small pressures , vacuums differential pressures . It is ideally suited for ...
Sida 871
... Switch Pressure Control A new dual switch pressure con- trol , J75A , has been introduced by United Electric Controls Co. , 79 School St. , Watertown 72 , Mass . It contains two completely separate switches that operate independent- ly ...
... Switch Pressure Control A new dual switch pressure con- trol , J75A , has been introduced by United Electric Controls Co. , 79 School St. , Watertown 72 , Mass . It contains two completely separate switches that operate independent- ly ...
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No | 31 |
Metallurgical Summary of 1957 By William H Eisenman | 40 |
III By C E Peck | 66 |
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