Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery
A practical handbook of steam and electrical engineering by Calvin F. Swingle, published by F. J. Drake & Company in Chicago in 1922 for working engineers, firemen and plant electricians studying for license examinations. The 641 figures are line engravings: sectioned valves, governors and turbine casings drawn in cutaway with hatched metal, alongside schematic dynamo and armature diagrams with lettered parts, field magnets marked N and S, and arrowed current paths usable as diagram vocabulary or technical ornament.
