Catalogue, paper with card covers, Mechanical Signalling for British, Indian, & Colonial Railways - Cabins, Lever Frames, Iron Signals, Wood Signals, Gates etc. etc., issued by W.R. Sykes Interlocking Signal Co. Ltd. manufacturing in conjunction with the Lowmoor Co., printed by Merser & Sons, January 1909. Includes diagrams and illustrations. 45pp. Mechanical Signalling for British, Indian, & Colonial Railways - Cabins, Lever Frames, Iron Signals, Wood Signals, Gates etc. etc.