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Title: Stream spreading model 1865-1936 with variable spread produc [Go to resource]
Description: Stream spreading model 1865-1936 with variable spread produced by radio toothed levers as invented by Charles Oyston, New York State. Attached to straight branch, inscribed GWR License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1993-346 Go to resource More Like this...
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