Walton Rim deadlock.
Artifact No. 309. CoR: England

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Sz: 205 x 133mm. Mt: iron, brass, copper. Wt:

Rim deadlock, 3 levers with false notches and heavy warding.

The Walton family were very inventive locksmiths and were one of the earliest to feature false notches in their locks. Note the continued use of wards to protect the levers.
Date: Late Georgian, early 19th century.