Machinery for metalliferous mines : a practical treatise for mining engineers, metallurgists and managers of mines
A practical engineering treatise on mining machinery by E. Henry Davies, published in London by Crosby Lockwood in 1902 for mining engineers, metallurgists and mine managers. The plate shown is a fine-line engraved working drawing of a double vortex turbine in side elevation and plan, with hatched masonry foundations, bolted flanges, pipe bends and a ruled scale bar, offering ready-made technical linework, sectional hatch patterns and small-caps engineering captions.
