Instruction - 108 pages + 9 fold out drawings glued and stapled in at the rear + card covers with red cloth binding, rounded right hand edges, centre stapled. Titled "Instruction Pamphlet S-100, Air Brake and Safety Car Control Equipment", published July 1924 by the Safety Car Devices Co. St Louis. Includes the M28 Brake valve. Describes in detail the rules for operation, parts, description, M28 Brake Valves, Maintenance, Practical car tests, hints, defects. The 9 drawings at the rear of the document give detail arrangements of the piping and control equipment. Book scanned into three sections. See also Reg Item 3513 for another similar document.on top of first page "C. Hodgson"trams, tramways, electrical engineering, electrical equipment, air compressors, brakes, instructions, maintenance, controllers

Instruction - 48 pages + light brown card cover centre stapled with cloth binding on outer edge + 13 fold out drawings inside the rear cover, titled "Westinghouse - T5001-1 Straight-Air Brake Equipment". Dated March 1923. Has a table of contents, outlines the rules of operating brake equipment fitted to tramcars, the SM3, SX2 brake valve, locomotive straight air, installation piping, wiring, maintenance - piston travel, lubrication, car tests, hints to Motormen and Conductors and General Hints. Schedule for SM-1 and featherweight equipment. Includes instructions on compressors, air intakes, valves, cylinders and governors.On front cover in ink "Mr McLaren"trams, tramways, electrical engineering, electrical equipment, westinghouse, air compressors, brakes, instructions, maintenance

Instruction - 24 pages, with two punch holes and stapled on the left hand side titled "Air Brake Safety Car Control Equipment" number 84450.1B, pages 3 to 26. Details the M28 brake valve, sanding features, operation, door and step controllers, check valve, CP-25C air compressor, brake valves, air compressor governors, drawings of piping, maintenance, testing, faults and general operation. See Reg Item. 3478 for another similar document. No details as to who published it or dates.trams, tramways, electrical engineering, electrical equipment, air compressors, brakes, instructions, maintenance, controllers