Citation - Gazette of State of South Carolina: 1783.09.10

GSSC.783.007
10 Sep 1783:13 (2167)
To be sold at private sale, the remainder of the optical and
philosophical instruments, belonging to the estate of Doct.
Fotheringham, deceased, as formerly advertised.  Also an air
pump, an electrical apparatus, . . . [5 lines] a magic
lanthorn, two prisms, a reading glass, and a harpsichord
with two stops.  Six months credit will be given.  Apply to
the subscriber, at No. 53, Tradd street. [signed] John
Troup.