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Title: Model showing by wire hyperboloidal pitch surfaces of skew l [Go to resource]
Description: Model showing by wire hyperboloidal pitch surfaces of skew level wheels. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: model
skew-bevel gearsTemporal: c. 1889 Source: Science Museum Creator: Schr�der, J. Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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