including mechanical orrery slide, unsigned, seven mechanical slides by Watkins & Hill - Annual and Diurnal Motions of the Earth, Rotundity of the Earth, Day& Night, The Planet Venus, Parellelism of the Earths Axis, The Spring and Neap Tides, Eclipse of the Sun Partial and Annular with the Transit of Venus across the Sun's Disc, with a rare pamphlet 'A Familiar Introduction to the Science of Astronomy…adapted to Accompany A Set of Diagrams Painted on Glass for Exhibition in the Phantasmagoria Lantern'