Apparatus to show the unequal expansion of brass and iron

Made:: 1880 in London

maker:: J. J. Griffin & Sons

Apparatus to show the unequal expansion of brass and iron. It comprises a Grove battery, brass and iron bars with supporting frame, connecting wires and stand for metal filament

Details

Category:: Heat

Object Number:: 1880-22

type:: thermal expansion demonstration apparatus and grove battery

credit:: Fisons plc

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Parts

Four platinum foil electrodes from a Grove battery

Four platinum foil electrodes from a Grove battery, part of apparatus to show unequal expansion of brass and iron.

Materials:: platinum (metal)

Object Number:: 1880-22 Pt1

type:: component - object

Image ©: The Board of Trustees of the Science Museum

Grove battery

Grove battery, part of apparatus to show the unequal expansion of brass and iron (platinum electrodes recorded and stored separately).

Object Number:: 1880-22 Pt2

type:: battery

Demonstration of Unequal Expansion of Brass and Iron, 1880

Apparatus to show the unequal expansion of brass and iron, comprising brass and iron bars with supporting frame, connecting wires and stand for metal filament, by J. J. Griffin & Sons, London, England, 1880.