Title Page | Collection Summary | Biographical/Organizational Note | Scope and Content | Arrangement
Biographical Note
| Date | Event |
|---|---|
| 1885, June 26 | Born, Oregon City, Ore. |
| 1905 | Worked for Ovington X-ray Co., New York, N.Y. |
| 1906 | Founded with J. Emery Clapp and William O. Eddy, the Clapp, Eddy, and Eastham Co., Boston, Mass., manufacturing x-ray equipment |
| 1908 | Established Clapp-Eastham Co., after departure of Eddy, and shifted to manufacturing receiving and transmitting equipment; Clapp sold his interest in the company to Otis Kerro Luscomb in 1910 |
| circa 1914 | Married Jessie Chase (died 1979) |
| 1915 | Founded with Luscomb, General Radio Co., Cambridge, Mass., manufacturing precision electrical measuring instruments; moved to Concord, Mass., in 1950s |
| 1915-1944 | President, General Radio Co. |
| 1917 | Sold interest in Clapp-Eastham Co. to Luscomb; Luscomb sold interest in General Radio Co. to Eastham |
| 1917-1919 | Produced radio equipment for the American forces during World War I |
| 1920s | Joined in General Radio Co. by Henry Southworth Shaw (1884- ) |
| 1925 | Named as fellow, Institute of Radio Engineers |
| 1937 | Awarded medal of honor, Institute of Radio Engineers |
| circa 1942-1944 | Led LORAN radio navigation development efforts, Radiation Laboratory, Massachusetts Institute of Technology, Cambridge, Mass., during World War II |
| 1944-1950 | Chief engineer, General Radio Co. |
| 1946 | Named as fellow, American Institute of Electrical Engineers |
| 1950 | Retired from General Radio Co. |
| 1964, May 6 | Died, Boston, Mass. |