penn electric switch (1 Ergebnisse)

Soft cover. Zustand: Good. Softcover trade publication collecting various bulletins which illustrate and describe Penn switches, circa 1928-29. Gray wrappers. 46 pages, measuring 9 x 11.5 inches. Ex-library copy with one pencil mark in the center of the front cover, reading "electric switches." The forward has a blind stamp on it. There is rubbing to the wrappers and smudges, with creases and chipping along the outer edges, where the wrapper extends past the text block. Overall, the volume is in good condition with strong binding and unmarked pages.