Imperial Tramways Co Ltd, Rules and Regulations, Employés of the Middlesbrough, Stockton and Thornaby Electric Tramway, 1916, 61+pp, grubby cover,

BTH Electric Traction Equipment, trolleys operating & maintenance instruction book for control equipment with rheostatic and regenerative braking on brake pedal, Wolverhampton Corporation, 44pp + large folded plan, “282-285” in pencil on cover,