Frank M. Rumbold Papers, 1854-1937 (S0181)

5 microfilm rolls

 Finding Aid

The Frank M. Rumbold Papers contain correspondence, patent information, reports, meeting minutes, telegrams, military tactics, and appointments related to his business, military career, and personal life. Rumbold experimented and patented inventions related to electrical resistance material and railroad switches during his time as a practicing medical doctor.