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.