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Summary
DescriptionMcCammon Safety Bicycle.jpg
English: A McCammon safety bicycle now in collections of the Science Museum (London) as copied from their ObjectWiki. The front wheel is 22 in. diam. and the back one 38 in. diam., but it is geared up to 51. The wheel base is 40.5 in., and the machine weighs 49 lb.
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