1To Alexander Hamilton from Joseph Whipple, 4 April 1791 (Hamilton Papers)
Portsmouth, New Hampshire, April 4, 1791. Acknowledges receipt of Hamilton’s “letter of the 18 Decr. last together with Dycas’s & Colles’s Hydrometers.” States that Colles’s hydrometer may not be “truly graduated” and that there is a defect in the bulb of Dycas’s hydrometer. Requests a new bulb. LC , RG 36, Portsmouth Collector, Letters Sent, 1790–1791, Vol. 2, National Archives; copy, RG 56,...