Inventors

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."

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.

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.

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...

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.