Figs. 39C to 41C. Padlock, from Paris, probably 17th Century, spring lock, unlocked by a revolving key.

Fig. 39C. Front view.

Fig. 40C. Transverse section.

Fig. 41C. Longitudinal section.

Figs. 42C and 43C. Old iron padlock, from Clermont-Ferrand, France.

Fig. 42C. Front view.

Fig. 43C. Side view.

Figs. 44C to 46C. Iron padlock, from the Gate of Moultan, India, of similar construction to the Roman padlock (India Museum).

Fig. 44C. Side view.

Fig. 45C. Side view of springs.

Fig. 46C. Side view of key.

Figs. 47C and 48C. Modern iron padlock, from Cairo; the bolt entering a socket in the parallel bar.

Fig. 47C. Longitudinal section.

Fig. 48C. End and side views of key.

Figs. 49C and 50C. Modern padlock from Cairo; key with lateral action.

Fig. 49C. Side view.

Fig. 50C. End view.

Figs. 51C and 52C. Modern padlock from India; key with lateral action and ward; the bolt entering a socket in the parallel bar.

Fig. 51C. Side view.

Fig. 52C. End view.

Figs. 53C to 55C. Modern padlock, from Myhere, India (India Museum).

Fig. 53C. Side view.

Fig. 54C. Longitudinal section.

Fig. 55C. Transverse section.

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

Fig. 56C. Side view.

Fig. 57C. Longitudinal section.