Tann's seven inch reliance-guarded seven lever one-sided detector dead lock
Tann's seven inch reliance-guarded seven lever one-sided detector dead lock, c.1843.
- Measurements:
-
overall: 118 mm x 194 mm x 22 mm,
- Materials:
- metal (unknown)
- Object Number:
- 1934-209/1
- type:
- deadlock
- Image ©
- The Board of Trustees of the Science Museum
