Industrial Heating, Volym 25National Industrial Publishing Company, 1958 |
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Sida 718
... automatic gas - fired furnace , designed and built by Selas Corporation of America , Philadel- phia , Pa . , has ... automatic furnace has eliminated two subsequent operations : ( 1 ) re- moving quench oil and ( 2 ) remov- ing scale and ...
... automatic gas - fired furnace , designed and built by Selas Corporation of America , Philadel- phia , Pa . , has ... automatic furnace has eliminated two subsequent operations : ( 1 ) re- moving quench oil and ( 2 ) remov- ing scale and ...
Sida 1247
... automatic , with two independently acting systems : ( 1 ) a proportion- ing temperature control governed by a millivoltmeter or potentio- meter , and ( 2 ) automatic regula- tion of the gas - air ratio . An auto- matic program ...
... automatic , with two independently acting systems : ( 1 ) a proportion- ing temperature control governed by a millivoltmeter or potentio- meter , and ( 2 ) automatic regula- tion of the gas - air ratio . An auto- matic program ...
Sida 1265
... automatic controls . 2 - Model DT - 31 " Pot Type " Re - circulating , Gas fired , basket size 36 " dia . x 36 " depth , pit type , 1250 ° F with automatic controls . LINDBERG ENGINEERING CO . 2 - Model 2236 - EH " Cyclone Type ...
... automatic controls . 2 - Model DT - 31 " Pot Type " Re - circulating , Gas fired , basket size 36 " dia . x 36 " depth , pit type , 1250 ° F with automatic controls . LINDBERG ENGINEERING CO . 2 - Model 2236 - EH " Cyclone Type ...
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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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