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Webster 1828 Edition

Noun.

[gas] In chimistry, an instrument or apparatus, intended to measure, collect, preserve or mix different gases.

An instrument for measuring the quantity of gas employed in an experiment; also, the place where gas is prepared for lighting streets.

gasometer ‎(plural gasometers)

(chemistry, now historical) An apparatus used to store or measure gas or the flow of gas, particularly in a laboratory setting. [from 18th c.]
- 2012, Holger Ursin, Psychobiology of Stress: A Study of Coping Men (ISBN 0323158994), page 85:
  The collected air was metered through a gasometer, and the composition of every gas sample was analyzed in duplicate […]
A large tank or reservoir for storing gas; a gasholder. [from 19th c.]
- 1977, Alistair Horne, A Savage War of Peace (New York Review Books 2006), page 93:
  The attack on the gasworks was probably the most risky, as none of the rebels had any idea of just what kind of blast an exploding gasometer might produce […]

gasholder