Metallurgy. The art of extracting metals from their ores, and adapting them to various purposes of manufacture, etc
A technical treatise on metallurgy by John Percy, M.D., published in London from 1861 and written for metallurgists, ironmasters and engineering students. The plates are line-engraved sections, elevations and plans of furnaces, hearths and blast plant, drawn with hatched masonry, arrow-marked air paths and foot scale bars, giving designers a stock of precise industrial cutaways and measured diagram conventions.
