A British patent issued to Alexander Melville Clark for an improved process for preventing the accumulation of carbon in retorts used for the distillation of carbureted hydrogen. There is a wax seal attached to the end of the patent.
Scope and Contents:
The collection is the British patent issued to Alexander Melville Clark by the English government in 1877 for inventing an improved process for preventing the accumulation of carbon in retorts used for the distillation of carbureted hydrogen.
Biographical / Historical:
Alexander Melville Clark was an inventor, patent agent, and author. Throughout the late nineteenth and early twentieth centuries he applied for patents for improvements for thimbles, umbrellas and sunshades, typewriting machines, candle cases, machines for trimming and finishing boots and shoes, knitting machines, hot wire voltmeters, combination locks, and door fasteners. In 1884, Clark wrote Analytical Summaries of the Patents, Designs, and Trade Marks' Act, 1883, and of the Patent Laws of All Foreign Countries and British Colonies.
Donated by W.C. Dodge in 1891 to the United States National Museum.
Collection is open for research.
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.