Department Bulletin, Vydání 1201–1225U.S. Government Printing Office, 1924 |
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Agriculture alcoholic extract Amianthium amount aphids Aphis sp assessments ASTERACEAE average beetles bunt Bureau bushel C. L. MARLATT calcium arsenate cent Charles White corn cotton caterpillars court crop acres cube damage decoction Derris determined ditch dog flea drain drainage district drawbar dust efficient experiments FABACEAE families farms field flavor and odor flies fruit grade grain Grams Greshoff 31 harvest head hellebore hopper horse labor hours of horse inches increased insecticide Jahrg jujube land larvæ less Livingston County LOUISE STANLEY Macrosiphum sp method milk northern area obtained operation owner percentage plane plants plat plowing poison pounds Pyrethrum railroad reports results are given Riley 71 roaches sabadilla samples seed Sept shipments shippers silkworms slight effect smut southern special benefits species sprayed sweet potatoes Synonym Table tion tract tractors trees U. S. Dept United webworms western area wheat
Oblíbené pasáže
Strana 21 - If in package form, the quantity of the contents be not plainly and conspicuously marked on the outside of the package in terms of weight, measure, or numerical count; provided, however, that reasonable variations shall be permitted, and tolerances and also exemptions as to small packages shall be established by rules and regulations made in accordance with the provisions of section Three of this Act.
Strana 34 - Section 36, and quickly formed into a ball with the hands, completing the operation by tossing it six times from one hand to the other, maintained about 6 in.
Strana 30 - The cement shall be stored in such a manner as to permit easy access for proper inspection and identification of each shipment.
Strana 56 - The needle, loaded with specified weight, shall be adjusted to make contact with the surface of the sample. This may be accomplished by making contact of the actual needle point with its image reflected by the surface of the sample from a properly placed source of light. Either the reading of the dial shall then be noted or the needle brought to zero.
Strana 34 - ... and the excess paste at the smaller end sliced off at the top of the ring by a single oblique stroke of a trowel held at a slight angle with the top of the ring.
Strana 30 - The cement shall be delivered in suitable bags or barrels with the brand and name of the manufacturer plainly marked thereon, unless shipped in bulk. A bag shall contain 94 Ib. net. A barrel shall contain 376 Ib. net.
Strana 67 - The aggregate is prepared for analysis by heating it in an enamel-ware pan on the hot plate until it is sufficiently soft to be thoroughly disintegrated by means of a large spoon. Care must be taken, however, that the individual particles are not crushed. If a section of pavement is under examination, a piece weighing somewhat over 1 kilogram may be cut off with hammer and chisel.
Strana 29 - A pat of neat cement shall remain firm and hard, and show no signs of distortion, cracking, checking, or disintegration in the steam test for soundness.
Strana 24 - Sufficient water shall be added to produce concrete of the required workability ; NOTE. — Concrete tests should be made on plastic mixtures. It is of the utmost importance that a uniform degree of workability be secured in tests involving comparisons of different materials and methods.
Strana 34 - Pats of neat cement about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours.