Citation - Rivington's New York Gazette: 1779.06.12

RNYG.779.110
12 Jun 1779:12 (282)
A sextant, with an adjusting screw, an excellent quadrant, a
pocket camera, an opera glass, a case of very good
mathematical instruments, made by an excellent a workman as
any in England.  To be sold, enquire of the Printer.  A
magick lanthorn, with a dozen curious slips containing
grotesque groups of figures, &c. &c. &c.
Also a perspective glass, to view prints, pictures, &c.&c.
with a dozen prints.  To be sold, enquire of the Printer.