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.