Envelope and seven handwritten pages of notes comparing the work of Brush with the work of others regarding interference, no date. Includes descriptio Show moreEnvelope and seven handwritten pages of notes comparing the work of Brush with the work of others regarding interference, no date. Includes description of the work by William Thomson on accumulators, as well as the work of Moses G. Farmer on secondary batteries Charles F. Brush, Sr., Papers Series 8: Other Papers (1842-1960) Subseries 4: Miscellaneous (1842-1960) Box 29 Folder 3 Show less
