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3 results. Displaying results 1 - 3.

Name/Title Maker and role Production date Object number
Patent Model - Improvement in Washing-Machines Patent Model - Improvement in Washing-Machines
Pliny Williamson (b.1830, d.1924), Patentee
George Rough, Assignee
Dec 08 1874
61.47.185
Patent Model - Improvement in Hot-Air Furnaces Patent Model - Improvement in Hot-Air Furnaces
Napoleon Toye, Patentee
Sep 14 1875
2015.14.2019a,b
Patent Model - Process of Depositing Iridium and Product of the same Patent Model - Process of Depositing Iridium and Product of the same
William Dudley, Patentee
American Iridium Company (estab. 1881), Assignee
May 03 1887
2015.14.3586
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