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History of Science Museum

Spark Eudiometer with Iron Cap, English, Mid-19th Century

Inventory Number 44404


Acknowledgement: © History of Science Museum, University of Oxford, inv.44404

Item type
Object
Provenance
Formerly in the Daubeny Laboratory
Primary inscriptions
Unsigned and undated
Physical material
Iron
Glass
Object type
Eudiometer
Dimensions
Diameter: 76mm Height: 253mm Weight: 599g
Inventory No
44404

Description

This type is known as the 'inflammable air' or spark eudiometer, in which the volume changes were produced by elevtriv sparks. It was invented by Alessandro Volta in 1776. The spark was produced between the two electrodes at the top. One has an iron cap to protect the top.