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Description: | Demonstration originated by James Ferguson to illustrate that the sum of compound motions at right angles produce a diagonal displacement. Wooden frame sliding element holding with brass ball on rod that slides up rod as frame is moved sideways. Disk "Univ. Abdn. Nat. Phil." In Copland collection. | License: | http://www.abdn.ac.uk/historic/Copyright_terms_conditions.shtml | Publisher: | ABDNP University of Aberdeen, Natural Philosophy Collection of Historical Scientific Instruments | Rights holder: | 47718 | Temporal: | 1780-1790 | Source: | University of Aberdeen | Creator: | Patrick Copland | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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