A guide to the exhibition illustrating Greek and Roman life (1920)
British Museum. Dept. of Greek and Roman Antiquities · London, British Museum · leaf 163
Pig. 186.—Roman Keys. 2 : 3. of perforations in the bolt and are kept down by a spring. Thebolt was released by a key fitted with teeth corresponding to theperforations (fig. 185d). The key lifted the pins out of the holesand took their place. The bolt was then drawn aside, as the key On account of…
Civilization, Greek and Roman · Classical antiquities
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
