ENGINE ROOM CHEMISTRY
By HUBERT E. COLLINS
| BOILERS | KNOCKS AND KINKS | |
| SHAFT GOVERNORS | PUMPS | |
| ERECTING WORK | SHAFTING, PULLEYS AND | |
| PIPES AND PIPING | BELTING |
By F. E. MATTHEWS
REFRIGERATION. (In Preparation.)
HILL PUBLISHING COMPANY
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THE POWER HANDBOOKS