File:Georgia, historical and industrial (1901) (14757207506).jpg

Identifier: georgiahistorica00geor (find matches)
Title: Georgia, historical and industrial
Year: 1901 (1900s)
Authors: Georgia. Dept. of Agriculture Stevens, O. B. (Obediah B.) Wright, R. F. (Robert F.)
Subjects: Georgia -- History Georgia -- Economic conditions
Publisher: Atlanta, Ga. : G.W. Harrison, State Printer
Contributing Library: University of California Libraries
Digitizing Sponsor: MSN

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ng them with the paper.ISText, carefully, with a dry towel or cloth, wipe the upper inner partsof the oil cup, so as to remove any drops of oil that might have spat-tered on the upper part of the cup. Then put on the glass cover of the oilcup, pass the thermometer through the hole in the cork to such a pointthat the mercury bulb will just be covered by the surface of the oil.ISText light the lamp and introduce it under the water bath. So adjustthe flame that the temperature will rise at the rate of two degrees aminute. Wait until the temperature reaches ninety-nine degrees F.;then light a wooden toothpick and pass the flame through the semi-circular opening in the glass plate at such an angle as to clear glasscover and to a distance about half way between the oil and the cover.The motion should be steady and uniform, rapid and without pause.The appearance of a slight bluish flame shows that the flashing point hasbeen reached. If the oil flashes at this point it should be branded State
Text Appearing After Image:
iiox. CLAitK ii(»\\i:i.L, rKi:sii)i:.\T oi tiik «;i;(»k<;ia si:x.\rK GEORGIA: HISTORICAL AXD INDUSTRIAL. 453 of Georgia. Eejected. If it does not flash at this point it should bebranded State of Georgia. Approved. JNaphtha and illumiuatiugproducts of petroleum ^Yhich will not stand the flash test required bythis section may be used for illuminating or heating purposes only in thofollowing cases: 1st. In street lamps and open air receptacles, apart from any build-ings, factory or inhabited houses in which the vapor is burned. 2d. In dwellings, factories or other places of business, when vapor-ized in secure tanks or metal generatoi-s, made for the purpose, in whichthe vapor so generated is used for lighting or heating, 3d. For use in the manufacture of illuminating gas in gas manufac-tories situated apart from dwellings and other buildings. The inspectorshall provide at his own expense instruments for testing oil, and stencilsfor branding packages to read thus: State of Georgia.

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