Electro-magnet self-winding clock

From Object Wiki

Self-winding electric clock
Manufacturer	National Self-Winding Clock Co.
Production years	late 19th century
Production location	USA

This self-winding clock was made in 1898 by the National Self-Winding Clock Co., USA.

[edit] How it works

The contact for closing the circuit which excites the operating electro-magnet is made by mercury in a small sealed tube. The electro-magnet is laminated and winds up both ‘going’ and ‘striking’ trains.

[edit] Memories

Do you remember stories about clocks? Add your memories.

[edit] In the Science Museum's Records

Inv. No: 1912-236