On the Development and Distribution of Primitive Locks and Keys

by Augustus Henry Lane-Fox Pitt-Rivers

Figs. 56C and 57C. Old Egyptian manacle.

Fig. 56C. Side view.

Fig. 57C. Longitudinal section.

Wyman & Sons, Printers, G^t. Queen S^t. London, W.C.

PLATE VII.

Figs. 58C to 60C. Modern padlock, from Abyssinia (British Museum), the bolt entering a socket in the parallel bar.

Fig. 58C. Side view.

Fig. 59C. Side view of bolt and springs.

Fig. 60C. Front view of key.