Trade card: J. Abraham, optician and mathematical instrument maker, to his R.H. the Duke of Gloucester, and his grace the Duke of Wellington. 7 Bartlett Street, Bath, and at his shop adjoining Mr Thompson's Pump Room, Cheltenham. printed by J Marsh, n.d. [c1837] [officers using sextant, telescope, selection of instruments: stand microscope, compass, globe, telescope, lorgnettes, coat of arms] 8x11.5cm conserved backed and edged to 11x14.5cm. (Calv. 2). (C.C. 8)