Pamphlets on Wood Preservation, Volume 5

Front Cover
1922 - Wood
 

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Page 11 - Care of Brushes Brushes for applying oil paints must be well cleaned after using, though for keeping overnight it is generally sufficient to wrap them in several thicknesses of paper. Some painters keep their brushes overnight by putting them in water. If, however, the brush is not to be used for several days, the paint should be washed out of it. Turpentine is one of the most satisfactory materials for washing a brush, but it is expensive, and a brush can generally be washed as well with kerosene,...
Page 82 - Methods of sampling delivered coal, and specifications for the purchase of coal for the Government, by GS Pope.
Page 44 - The bulb of the retort and at least two inches of the neck must be and remain covered with a shield of heavy asbestos paper, shaped as shown in diagram, during the entire process of distillation, so as to prevent heat radiation, and between the bottom of the retort and the flame of the lamp or burner two sheets of wire gauze, each 20-mesh fine, and at least six inches square, must be placed.
Page 44 - ... ounces up to the bend of the neck when the bottom of the retort and the mouth of the off-take are in the same plane. A nitrogen filled mercury thermometer of good standard make, divided into full degrees Centigrade, shall be used in connection therewith.
Page 2 - Bulletins available for distribution will be sent free upon application to a Member of Congress or the Secretary of Agriculture.) 536 US DEPARTMENT OF AGRICULTURE.
Page 55 - HUMPHREY, CJ 1917. Timber storage conditions in the Eastern and Southern States with reference to decay problems.
Page 83 - BULLETIN 34. Tests of run-of-mine and briquetted coal In a locomotive boiler, by WT Ray and Henry Kreisinger.

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