Fig. 43B. Represents the ancient mode of carrying keys on shoulder, adapted to the British key found in Caburn. (Fig. 41B.)
Figs. 1C and 2C. Modern Scandinavian bolt and key ('La Ferronnerie').
Fig. 1C. Front view.
Fig. 2C. Transverse section on A B.
Figs. 3C to 5C. Modern Scandinavian bolt and key, with spring A. From a model presented by Dr. Engelhardt, and used in Norway.
Fig. 3C. Longitudinal section.
Fig. 4C. Transverse section.
Fig. 5C. View showing keyhole.
Fig. 6C and Fig. 7C Two iron keys from Clermont-Ferrand, Auvergne, France.
Fig. 8C and Fig. 9C Two iron keys from Colchester, Essex, ("Uriconium").