The efficiency of pumps and ejectors
An engineering treatise on pumping machinery by Edward Cyril Bowden-Smith, published by D. Van Nostrand in New York in 1920 for mechanical engineers and plant operators. Line plates show sectional elevations of oil-fired boilers, ejector chambers, hatched cast-iron cross-sections, valve and nozzle details, and grids of tube ends with dimension lines and small hand lettering.
