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Title: John Tann "Reliance" patent safe lock, with key [Go to resource]
Description: John Tann "Reliance" patent safe lock, with key. Six lever (two goarded), second moving stump and anti forcing bar License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1985-1646 Go to resource More Like this...
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