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Title: Bertin commutator by Townson and Mercer, 34 Camomile Street, [Go to resource]
Description: Bertin commutator by Townson and Mercer, 34 Camomile Street, London EC. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1897-1918 Source: Science Museum Creator: Townson and Mercer (maker) Identifier: 1983-990 Go to resource More Like this...
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