Chubb's eight double-sided five lever detector spring rim lock Chubb's eight double-sided five lever detector spring rim lock, c.1869. Materials: metal (unknown) Object Number: 1934-208/1 type: rim lock Image © The Board of Trustees of the Science Museum
Circular metal component Circular metal component, part of Chubb's eight double-sided five lever detector spring rim lock, c.1869. Materials: metal (unknown) Object Number: 1934-208/2 type: component Image © The Board of Trustees of the Science Museum
Key for Chubb's eight double-sided five lever detector spring rim lock Key for Chubb's eight double-sided five lever detector spring rim lock, c.1869. Measurements: overall: 132 mm x 40 mm x 11 mm, Materials: metal (unknown) Object Number: 1934-208/3 type: key Image © The Board of Trustees of the Science Museum
Metal plate with keyhole Metal plate with keyhole and screw holes, part of Chubb's eight double-sided five lever detector spring rim lock, c.1869. Materials: metal (unknown) Object Number: 1934-208/4 type: metal plate Image © The Board of Trustees of the Science Museum
Lock component Metal cover or plate, with various screw holes and larger hole in the centre, part of Chubb's eight double-sided five lever detector spring rim lock, c.1869. Materials: metal (unknown) Object Number: 1934-208/5 type: component Image © The Board of Trustees of the Science Museum
Brass lever lock - portable lock by Lawton and Mitchell, 1815 Brass lever lock - portable lock by Lawton and Mitchell
Lock with alarm bell and key, from a seaman's chest, c.1870 by Moller and Co., Hagen, Germany Lock with alarm bell and key
Example of Chubb's six leaver detector locks with three true and false keys Example of Chubb's six leaver detector locks