Slave (electric) public clock · England
Shepherd Gate Clock
VerifiedA 24-hour dial at the gate of the Royal Observatory, Greenwich, driven by electrical signals from the observatory's master clock; among the first to show Greenwich Mean Time to the public.
Technical facts
- Dial
- 24-hour
- Drive
- Electrical impulses from a master clock
Historical significance
- A 24-hour dial at the gate of the Royal Observatory, Greenwich, driven by electrical signals from the observatory's master clock; among the first to show Greenwich Mean Time to the public.
Related photographs

No confidently matched photograph of this subject has been found yet. These photographs show a closely related record, and are not examples of the type described on this page.
Sources & references
- Royal Museums Greenwich, notes on the Shepherd Gate Clock
Where sources disagree, the disagreement is stated rather than resolved silently.