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Title: model signal frame - saxby's rocker-locking [Go to resource]
Description: Model signal frame, 1:2 scale, Saxby's rocker-locking signal frame, six lever, 1871. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: model signal frame Source: Science Museum Identifier: 1925-659 Go to resource More Like this...
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