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Title: Mortice escape deadlock (Butters System of 1955) by Josiah P [Go to resource]
Description: Mortice escape deadlock (Butters System of 1955) by Josiah Perks and Sons Ltd of Willenham, 1978 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1978 Source: Science Museum Creator: Josiah Parkes and Sons Ltd. (maker) Identifier: 1979-377 Go to resource More Like this...
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