Physical description
Book - 112 A5 pages + cover centre stapled, titled "Current Collection for Tramway and Trolleybus Systems", written by G. E. Baddeley and E. R Oakley, published by the authors in 1975.
Has a table of contents - tramway overhead systems, current collection, trolley bus overhead, collection by bos and pantographs, peculiarities, surface contact systems and slot conduit systems, bibliography. Illustrated with diagrams.