Gasoscope
Gas´o`scope
n. | 1. | An apparatus for detecting the presence of any dangerous gas, from a gas leak in a coal mine or a dwelling house. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
n. | 1. | An apparatus for detecting the presence of any dangerous gas, from a gas leak in a coal mine or a dwelling house. |