On the Development and Distribution of Primitive Locks and Keys

by Augustus Henry Lane-Fox Pitt-Rivers

Figs. 28C to 30C. Old Russian bronze padlock, St. Petersburg ('La Ferronnerie').

Fig. 28C. Side view of bolt and springs.

Fig. 29C. Side view of tube case.

Fig. 30C. End of case showing aperture for springs.

Figs. 31C and 32C. Old English fetterlock, from Epping, near London.

Fig. 31C. Longitudinal section.

Fig. 32C. Side view of bolt and springs A. Side and end views of key shown above.

Fig. 33C. Fragment of bolt with springs, found in rampart in excavations at the Norman Camp, Folkestone ('Archæologia').

Fig. 34C. Iron padlock found at Swanscombe, Kent, 15th Century ('Archæological Journal').

Fig. 35C. Longitudinal section (with key) of modern padlock, from Rushmore, Wiltshire, spiral spring action.