Underwood Sundstrand

1927 Oscar and David Sundstrand sold the rights to market and distribute the Sundstrand calculating machine to Underwood-Elliot Fisher Co., a typewriter and office equipment manufacturer. The machines thereafter bore the mark of Underwood Sundstrand.
1930 David died
Oscar joined Underwood and continued developing the Sundstrand adding machine until 1949.
See Also
Sources of Information
- Retrocalculators [1]