The first radio telephone transmitting and receiving set which was installed on Commodore Huntington's yacht "Thelma" at Put-in-Bay, Ohio in 1907. The audion box on left with pan-cake turner above the large transmitting case was the first...
Young woman seated, reading book. Nearby is a baby carriage rigged with what appears to be an antenna and megaphone. Woman may be Mrs. Charles Herrold.
Eitel, W. W.; McCullough, J. A.; Eitel-McCullough, Inc.; Men; Buildings; Automobiles; San Carlos (Calif.);
Printed on the photograph: "W. W. Eitel (left), President and J. A. McCullough, Executive Vice President, co-founders of Eimac in 1934, are shown in front of a new 150,000 square foot manufacturing plant and corporate headquarters in San...
Klystron development took place in this laboratory. The tubes are the highest objects on the table, vacuum pumps are below. After 17 months work the invention was announced to the public, 1939.
Jensen, Peter V.; Perham, Douglas; Albertus, F.; Radio--Transmitter-receivers; Arc Transmitter and Receiver; Men;
The First Arc Transmitter and Receiver built by Poulsen Wireless in 1910. Original photo in sepia tones, copies in colored and black and white. Shows Douglas Perham, F. Albertus and Peter V. Jensen.
San Jose (Calif.); Downtown; Baptist churches; LaRosa Beauty Salon; Ida's Tuxedo Rentals; San Jose Paint and Wallpaper Company
Baptist Church, South Second Street at San Antonio Street, San Jose, California. LaRosa Beauty Salon, Ida's Tuxedo Rentals, San Jose Paint and Wallpaper Company can also be seen.
Washington, Eileen McCall; Washington, Eileen M.; Rollins, Aileen; Lang, Martha; Ralston, Aileen; Simmons, Jean Morgan; Walston, Virginia Treadwell; Higgins, Frances Branch; Aronson, Aldo; Washington, Lawrence; Walston, Ellsworth; Sherrill,...
A group of men and women wearing Medieval costumes. Written on back of photograph, "The Madrigal Guild, Eileen McCall Washington, Director. Left to right: sitting-Eileen M. Washington, Director., sopranos: Aileen Rollins, Martha Lang, mezzo...
