Science and Technology | Page 17

Twin City Television lab at the State Fair

Twin City Television Lab broadcasting at the Minnesota State Fair, 1947.

Arvin television

Arvin television console made by Noblitt-Sparks Industries, Columbus, Indiana, c.1950.

WDGY radio tower

WDGY radio tower, 1947. Photographed by the Minneapolis Star Journal. The optometry shop of Dr. George Young, the founder of WDGY, is visible below the tower.

Orpheus televisor

Orpheus televisor made by Roth-Downs Manufacturing, c.1928.

Black and white photograph of Minnesota State Fair-goers at KSTP television cameras of the telemobile, 1947.

KSTP telemobile

Minnesota State Fair-goers near KSTP's television cameras on the "telemobile," 1947.

Television in Minnesota, 1928–1961

Minnesota was a pioneer in the early years of broadcast television. From the 1920s through the 1960s, local stations achieved many national firsts and produced enduring TV legends.

Thermo King Model A

Diagram of the Thermo King Model A included in Frederick M. Jones’ 1939 patent application to the U.S. Patent and Trademark Office.

Thermo King Model C

Front component of a Thermo King Model C. Image is from the Frederick Jones papers (1910–[196-]), Mansucripts Collection, Minnesota Historical Society, St. Paul.