On the Development and Distribution of Primitive Locks and Keys

by Augustus Henry Lane-Fox Pitt-Rivers

Fig. 68C. Side view.

Fig. 69C. Longitudinal section.

Fig. 70C. End view (showing keyhole).

Figs. 71C to 74C. Modern steel lock, from India (India Museum).

Fig. 71C. Side view.

Fig. 72C. Longitudinal section.

Fig. 73C. End view.

Fig. 74C. End and side view of key.

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