|  part 2. | Biunial and triunial
        magic lanterns double mahogany and brass lanterns | 
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| Very attractive biunial magic lantern with brass 
		optics and fittings. Height: 27" (68 cm), length: 21" (53 cm). Parts of 
		original gas burner present. – Manufacturer probably Butchers. C. 1890. | |
|  Above: Beautiful biunial made by an unknown maker. A black velvet curtain at the back. Right: Made by A J. Lancaster & Son. Mahogany body with lacquered brass fittings. |  | 
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|  High 
		quality mahogany and brass biunial magic lantern by Adie & Wedderburn, 
		Edinburgh with its original limelight gas illuminants contained in the 
		original wood case for transportation which doubled as the stand for 
		shows. The famous firm of Adie & Sons was renamed Adie & 
		Wedderburn in 1881. This firm was Scotland's paramount scientific 
		instrument makers. | |
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|  |  |  Biunial Magic lantern from W.C. Hughes. Measures 28" (71 cm) high x 22" (56 cm) deep x 12" (30.5 cm) wide. There is an eye-catching casted metal ornament below the optical system on the base. | 
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| Tyler biunial, made by the English 
		lantern and slide manufacturer Walter Tyler, London, with its brass 
		optics and fittings. Original gas burners. Roof black painted. | |
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| Superb mahogany and brass biunial. 
	Manufacturer Walter Tyler, London, c. 1880. Original case. Original gas illuminants included. | |
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| A very special mahogany biunial with aluminium slide holders, lens mounts, and other parts. Black tinplate chimney, 6" lenses with adjustment, manual vertical dissolve, engraved 'Epidiascope’. Probably made by J. Wrench. | Front with maker's engraving: "Watson & Sons 313 
		High Holborn London No. 879".  Lacquered, mahogany body and base, 
		brass telescopic lens mounts and fittings, black iron chimney and top. Provision for mounting an additional lantern on top; thus making it a triunial. Height 28" (71 cm). | 
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| Biunial made by J. Place, Birmingham, England, c. 1880. Mahogany lamphouse with brass fittings and 2 brass lenses. Height 30 1/3" (77 cm). | Mahogany and brass biunial with side opening vented doors. 
		Mahogany base with moulded edge, 25.5" 
		(64.8 cm) high. No makers mark. | 
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| Mahogany and lacquered brass biunial magic lantern mounted with a plaque for W.A Merrick April 1895. 25.5" high (65 cm). | Mahogany and brass biunial Magic Lantern 
		with oxy-hydrogen limelight illuminants and a crank-operated 
		curtain dissolve. Manufacturer A.J.H. Steward, 1880s. | 
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| This triunial magic lantern was used by C. Goodwin Norton, a well-known lantern entertainer of the 1890s. | A ‘Noakes Triple’ mahogany and brass No. 3 
		Patent Triunial Magic Lantern, with three single-draw rack and pinion 
		lenses, each with pivoting lens cap. Brass plates engraved 'The Noakes 
		Triple, D. Noakes & Son, Makers, Greenwich, London' and 'Noakes’ Patent'. | 
| More biunials........ | |
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