Industrial Heating, Volym 14National Industrial Publishing Company, 1947 |
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Sida 48
... operation and presents , with the ever - present overload difficul- ties of friction and jamming , a Fig . 1 Floor - mounted type of electrically - operated hoisting unit for furnace - door raising and lowering to eliminate manual ...
... operation and presents , with the ever - present overload difficul- ties of friction and jamming , a Fig . 1 Floor - mounted type of electrically - operated hoisting unit for furnace - door raising and lowering to eliminate manual ...
Sida 410
... Operation and Materials FORGINGS , FOR INSTANCE- Need This AUTOMATIC Protection During Heat. STEEL • F operating ACTORS affecting efficiency of blast furnaces , including the physical character- istics of the materials charged , were ...
... Operation and Materials FORGINGS , FOR INSTANCE- Need This AUTOMATIC Protection During Heat. STEEL • F operating ACTORS affecting efficiency of blast furnaces , including the physical character- istics of the materials charged , were ...
Sida 1029
... operation . The used portion is automatically wound on a roll which may be turned back to check past procedure . Although designed for operation on 110 or 220 volts AC 60 cycle operation , models may also be fur- nished for 25 and 50 ...
... operation . The used portion is automatically wound on a roll which may be turned back to check past procedure . Although designed for operation on 110 or 220 volts AC 60 cycle operation , models may also be fur- nished for 25 and 50 ...
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JANUARY 1947 No 1 | 25 |
HULTGREN Salt Bath Furnaces are widely | 27 |
Ma | 35 |
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