Unslaked (unslacked) lime has not been hydrated (OED description begins James A. H. Murray, J. A. Simpson, E. S. C. Weiner, and others, eds., The Oxford English Dictionary, 2d ed., 1989, 20 vols. description ends ).

During the preceding twenty years TJ had occasionally bought lime and various agricultural products from Joseph Brand (the late mr bran), an Albemarle County landowner with nine sons. On 4 Nov. 1811 TJ gave the elder Brand a note for $339.60, which covered some of these purchases and the acquisition for $150 of Brand’s share in the Milton warehouses situated near the Rivanna River. TJ had yet to settle this debt with Brand’s executors in March 1823 (Woods, Albemarle description begins Edgar Woods, Albemarle County in Virginia, 1901, repr. 1991 description ends , 149; Mabel Thacher Rosemary Washburn, The Virginia Brand-Meriwether Genealogy [1948], 8–11, 25–6; MB, esp. 2:1256, 1270, 1286, 1393–4; PTJ description begins Julian P. Boyd, Charles T. Cullen, John Catanzariti, Barbara B. Oberg, and others, eds., The Papers of Thomas Jefferson, 1950– , 37 vols. description ends , 32:401–2; Craven and Jane Peyton’s Conveyance of the Henderson Lands, 22 Aug. 1809; Albemarle Co. Will Book, 5:337–40, 6:62–3).