The Relyon logo used by English Clock Systems Ltd and its predecessor, Synchro Time Systems Ltd

ECS Links

Details of the Ericsson Time Recorder movement used in ECS Leverprint and Autoprint recorders.

Floral clock in Christchurch New Zealand made by ECS.

Smiths of England Milestone Series No.9  a December 1945 advert for Smiths in "The Motorcycle" - mentioning ECS as a subsidiary company.

Martin Ridout's Electric Clock World  -  some more on the ECS 1-second master clock.