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Title: [Go to resource]
Description: Metal test frame, in parts, possibly parts of more than one frame, pieces present are parts of eye pieces, bridge and both earpieces, English(?), 1900-1940 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: test frames Temporal: 1900-1940 Source: Science Museum Identifier: A680914 Go to resource More Like this...
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