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

ECS 1-Second Master Clock Owners Manual

The 1-second pendulum master clocks were supplied with an owners manual describing assembly and installation instructions.

Click here to download a PDF file of the following 6 images, which is the installation manual for the later, single contact clocks. (File size approx 1.6 MB)

(See the 'Set-up Notes' for detailed maintenance instructions.)