John Tann "Reliance" patent safe lock
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Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseJohn Tann Reliance' patent safe lock, with key
Science Museum Group
© The Board of Trustees of the Science Museum
John Tann Reliance' patent safe lock, with key
Science Museum Group
© The Board of Trustees of the Science Museum
John Tann "Reliance" patent safe lock, with key. Six lever (two goarded), second moving stump and anti forcing bar
