This small booklet (1-8-43 Revised Edition) comprises the following;
1. A description of the system and its parts - Wiring, Battery, Master Clock and Slave Dials, pp.2-3
2. Installation and Maintenance - Master Clock, Regulation, Battery, Breakdowns, pp.3-6
3. A photograph of Master Clock mechanism together with a detailed drawing of same.
In addition to title, also on front cover;
English Clock Systems Limited. Industrial branch of Smith's English Clocks Ltd., 57-63, Wharfdale Road, Kings Cross, London, N.1