Industrial Heating, Volym 14National Industrial Publishing Company, 1947 |
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Sida 489
... valves are described as rug- gedly constructed of best available materials for greatest possible working safety . Valve flanges are heavy cast steel . Valve and dia- phragm plates are rolled steel . Operating lever is forged steel ...
... valves are described as rug- gedly constructed of best available materials for greatest possible working safety . Valve flanges are heavy cast steel . Valve and dia- phragm plates are rolled steel . Operating lever is forged steel ...
Sida 663
... valve , known as Class L - 1A , has been announced by Leslie Co. , 143 Dela- field Ave. , Lyndhurst , N. J. Steady , accurate regulation and tight clos- ing in dead - end service are pro- vided . Among the main features of this new valve ...
... valve , known as Class L - 1A , has been announced by Leslie Co. , 143 Dela- field Ave. , Lyndhurst , N. J. Steady , accurate regulation and tight clos- ing in dead - end service are pro- vided . Among the main features of this new valve ...
Sida 848
... Valve The B & G Clean - A - Coil Valve is said to offer help in keeping water - heater coils free of sediment and lime . Every time a faucet is opened , the Clean - A - Coil Valve automatically and thoroughly back- washes the heater ...
... Valve The B & G Clean - A - Coil Valve is said to offer help in keeping water - heater coils free of sediment and lime . Every time a faucet is opened , the Clean - A - Coil Valve automatically and thoroughly back- washes the heater ...
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JANUARY 1947 No 1 | 25 |
HULTGREN Salt Bath Furnaces are widely | 27 |
Ma | 35 |
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