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Pe-tro′le-umtest′er.

An instrument for determining the inflammability of illuminating oils, or of inflammable matter in compound liquids, by means of a thermometer and a flame, the thermometer being applied to the liquid while the heat is imparted to the latter, and the vapor generated by the heat being directed to the flame, so as to take fire when the heat rises to the point at which the liquid gives off explosive vapors. The illustration shows Smith and Jones's (a) and Tagliabue's (b) devices for this purpose. See also Millochan, September 5, 1865; Tagliabue, October 28, 1862; Hartshorn, June 29, 1869.

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Francis P. Smith (1)
J. F. Jones (1)
I. Hartshorn (1)
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June 29th, 1869 AD (1)
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