Bowden-Smith, Edward Cyril · New York, D. Van Nostrand Company · leaf 31
etely outweigh its advantages, and it is hard tounderstand how engineers have rested content with its 16 EFFICIENCY OF PUMPS AND EJECTORS imperfections. At low pressure it is true they are only-apparent to those who carefully consider the action ofthe Uquid and behaviour of the valve ; but when… … Plan
Pumping machinery
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