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Inventors

 Subject
Subject Source: Library of Congress Subject Headings

Found in 6 Collections and/or Records:

Asa J. Smith essay

 Collection — Folder S2417
Identifier: S2417
Scope and Contents This collection contains a 29-page essay about Nikola Tesla written and read by Asa J. Smith before the Century Club of Indianapolis, Indiana on Tuesday, May 24, 1949. The essay was written as a "brief" review of a biography of Tesla authored by John J. O'Neill and Smith states that his paper was written from the "point of view of a layman in a field inscrutable even to many experts."
Dates: 1949/05/24

Earnest Patrick photographs

 Collection — Folder SP088
Identifier: SP088
Scope and Contents This collection includes black-and-white photographs of Ernest Patrick in Columbus, Indiana dated 1932 and undated depicting Patrick with his wife, in his laboratory where he developed the radio, and with Dr. Bruce Morgand, consulting engineer, and advertising agent Irving Auspitz. There is also a photograph of the radio itself.
Dates: 1932, undated

Elwood Haynes biography

 Collection — Folder S0660
Identifier: S0660
Scope and Contents This collection includes typed copies from Bernice Haynes Hillis and various biographical sources in Indiana and other states ranging from 1912 to 1927 regarding Elwood Haynes.
Dates: 1912-1927

Ezra T. Gilliland collection

 Collection — Volume V016
Identifier: V016
Scope and Contents This collection includes two volumes containing information regarding patents compiled by Ezra T. Gilliland circa 1882. The first volume includes a list of inventors arranged chronologically by date and patent number, starting with E. R. Roe from 1848 (patent no. 5.612) and ending with James G. Smith from 1882 (no. 258.681). In the second volume, Gilliland organizes the same inventors by categories: annunciators, electric lights, magneto-electric machines, electrical switches, telephones, and...
Dates: circa 1866

Gatling photographs

 Collection — Folder SP070
Identifier: SP070
Scope and Contents This collection includes photographs of Richard Jordan Gatling's tomb in Crown Hill Cemetery in Indianapolis, Indiana and his invention the Gatling gun taken by the Indiana Department of Conservation in March 1964. There is also the front page of the February 7, 1874 issue of Scientific American, which features the Gatling gun.
Dates: 1874/02/07; 1964

Martin Wanner Letters Patent

 Collection — Folder S2324
Identifier: S2324
Scope and Contents This collection contains a Royal Letters Patent issued to Martin Wanner on August 10, 1894 for his invention of an improved refrigerating liquid. The document includes the seal of the Commissioner of Patents of the Colony of Victoria, a British colony that became a state in the Commonwealth of Australia in 1901.
Dates: 1894/08/10