Letters sent, 1882 Sep 12-1899 Sep 27

Letters sent to to Thomas Selfridge, E.T. Copeland and Company, Melville Bull, Philip R. Alger, Commodore O’Neil, Captain McGowan, H. C. Poundstone, Minna Irving, Holden A. Evans, and Richardson Clover, regarding trials of torpedo with Obry steering gear, the Case Engine, damage to the USS Stiletto, use of steam launches, firing tests, the firing of the Whitehead Torpedo, models of electric and percussion primers, storm damage to the USS Essex, references for Torpedo Station personnel, foreign torpedoes, health of LT. Marshall, return of photographs of diving operations, shipping of fifty electric igniters to the Frankfort Arsenal, and return of confidential data on foreign torpedo boats.