Melloni's apparatus for demonstrating properties of infrared radiation

Made:: 1888 in London

maker:: Elliott Brothers and Macedonio Melloni

Melloni's apparatus by Elliott Bros., London, England, 1888. Comprising cast iron bed with three sliding uprights and one upright with radial arm carrying two sliding pillars and a counterweight, plus various accessory apparatus: Locatelli's lamp and reflector, spirit lamp with cover on sliding base, reflector with hook and platinum spiral for heat source, thermopile with double cone and with two caps, line thermopile, plain screen, hinged screen, screen with aperture disc, double screen, black mirror, Leslie's cube with holder, copper hood heat source, two plates of rock salt in glass container, glass cell, angled mica plates in fixed mount, angled mica plates in rotatable mount, mica plates fixed perpendicular to the radiation in rotatable mount, mica plates in frame for varying angle of incliation to the radiation, wooden clamp, and wooden table.

Details

Category:: Heat

Object Number:: 1888-171

Materials:: cast iron, brass, tinplate, wood, glass, rock salt, platinum and copper

Measurements:: sliding upright: 175 x 210 x 115 mm
upright with radial arm: 170 x 680 x 140 mm
cast iron bed: 104 x 1312 x 218 mm

type:: demonstration apparatus

credit:: purchased

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Parts

Platinum spiral

Platinum spiral, part of Melloni's apparatus for demonstrating the properties of infrared radiation, by Elliott Bros., London, England, 1888.

Materials:: platinum (metal)

Object Number:: 1888-171 Pt1

type:: component - object

Melloni's Apparatus, 1888

Accessories for Melloni's apparatus, by Elliott Bros., London, England, 1888. Consisting of leslie cube, spirit burner and wood, rock salt plates, four mica polarising plates, line thermopile containing antimony (toxic), three screens and extra oil lamp covers.

Measurements:: overall: x x , , 49.21kg

Materials:: iron , tin plated , metal (unknown) , brass (copper, zinc alloy) , steel (metal) , glass and antimony

Object Number:: 1888-171 Pt2

type:: laboratory equipment (physics) and equipment

Melloni's Apparatus, 1888

Cast iron bed fitted with equipment for Melloni's apparatus by Elliott Bros., London, England, 1888.

The bed is fitted with three sliding uprights and one upright with radial arm. The radial arm is fitted with a counterweight, two sliding pillars topped with a wooden bed and a vertical black mirror, and a central fixed pillar topped with a thermopile with double cone and with two caps.