The book has been out of print for decades. Physical copies (from Pergamon Press or other original publishers) fetch exorbitant prices on second-hand markets. Consequently, the search for a has become a rite of passage for students. However, the digital footprint is weak due to copyright restrictions—most legitimate academic repositories do not host it, and many freely available scanned copies are riddled with missing pages, illegible equations, or printing errors.
and "primitive machine" concepts originally pioneered by Gabriel Kron. University of Liverpool The Primitive Machine
Before the 1950s, electrical machines were taught as separate, unrelated entities. You studied DC machines (shunt, series, compound) in one semester. In the next, you tackled synchronous machines (alternators, motors). Finally, you learned about induction machines, often using entirely different mathematical frameworks.
