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. Fig. 36C. Side view of modern padlock, from Paris, spiral spring action. Fig. 37C. Side view of modern padlock, from Germany, with spiral spring action. Fig. 38C. Longitudinal section of modern handcuff, from Wiltshire, with spiral spring action, unlocked by a revolving key.] [Illustration: PLATE V. _Wyman & Sons, Printers, Gt. Queen St. London, W.C._] [Illustration: PLATE VI. 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.] [Illustration: PLATE VI. _Wyman & Sons, Printers, Gt. Queen St. London, W.C._] [Illustration: 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. Figs. 61C to 63C. Modern brass Chinese padlock. Fig. 61C. Side view. Fig. 62C. Side view of bolts and springs. Fig. 63C. Transverse section. Figs. 64C to 67C. Modern brass padlock, from Yarkand (India Museum). Fig. 64C. Side view. Fig. 65C. Side view of bolts and springs. Fig. 66C. Transverse section. Fig. 67C. Longitudinal section (looking down). Figs. 68C to 70C. Modern steel lock, from Indore, India (India Museum). Fig. 68C. Side view.