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.
Advertisements; Agriculture; Drawings; Ephemera; Livestock diseases; San Jose (Calif.); Santa Clara County (Calif.)--History; Veterinary medicine;
On front of advertisement: "Important to owners and raisers of stock -- Dr. W. J. McKee, of San Jose, Cal., a Veterinary Surgeon of forty years experience, brings glad tidings to all owners and raisers of Horses, Cattle and Stock generally....