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Royal office typewriter

Tripod and socket of air-thermometer

Glass flask with angular glass tube, for apparatus to determine melting point

Pyrometer for demonstrating linear expansion of metal bars when heated

Stand with plate, 360º circle division and pointer, with swinging arm for mounting stand, 37 cm ruler on arm , matt black, for Melloni's apparatus

Stand with plate for placing prisms, etc., for Melloni's apparatus

Double screen, matt black, for Melloni's apparatus

Thermo-electric pile with 49 elements, for Melloni's apparatus

Locatelli's lamp with reflector, for Melloni's apparatus

Leslie's cube with heating case, for Melloni's apparatus