Electricity and magnetism : an elementary text-book, theoretical and practical
An elementary theoretical and practical textbook on electricity and magnetism by Richard Glazebrook, published by Cambridge University Press in 1920 for students and laboratory instructors. Line engravings show coils, armatures, magnet poles, spark gaps and bench apparatus, with lettered labels and arrows marking current and flux direction; usable as hairline diagram stock, coil and winding motifs, and instrument silhouettes.
