NBS Special Publication, 77. izdaja

Sprednja platnica
U.S. Government Printing Office, 1927

Mnenja - Napišite recenzijo

Na običajnih mestih nismo našli nobenih recenzij.

Druge izdaje - Prikaži vse

Pogosti izrazi in povedi

Priljubljeni odlomki

Stran 290 - Engineers The American Society of Civil Engineers The American Society of Mechanical Engineers...
Stran 33 - As a unit of resistance, the international ohm, which is based upon the ohm equal to 10" units of resistance of the CGS system of electromagnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grams in mass, of a constant cross-sectional area and of the length of 106.3 centimetres.
Stran 111 - ... standardizes where possible the forms and methods of contract letting to the end that a uniform policy may control the making of contracts, with a view to such changes in form of contracts as will tend to enlist the interest of the contractor in behalf of economy and promptness of execution, as well as to eliminate those uncertainties of construction and hazards to be assumed by the contractor which have operated to increase the cost of Government work and supplies...
Stran 97 - Engineers American Institute of Electrical Engineers American Institute of Mining and Metallurgical Engineers American Society of...
Stran 146 - Investigation of automotive engines : For the promotion of economy and efficiency in automotive transportation by land and by air through investigations of the basic principles underlying...
Stran 126 - Standards; together with not more than five additional persons who shall be acquainted with the needs of aeronautical science, either civil or military, or skilled in aeronautical engineering or its allied sciences : Provided.
Stran 89 - Government as the committee may see fit to call upon, who shall render whatever assistance they may require, provided that the articles intended to be purchased in this manner shall be those in common use by or suitable to the ordinary needs of two or more such departments or establishments. Every purchase or drawing of such supplies from the contractor is immediately reported to said committee. No disbursing officer may be a member of the committee.
Stran 135 - ... place names within the United States and its insular possessions, and all names suggested by any officer of the Government shall be referred to the board before publication. The decisions of the board are to be accepted by all the departments of the Government as standard authority.
Stran 30 - Ampere is the unvarying electric current which, when passed through a solution of silver nitrate in water in accordance with standard specifications, deposits silver at the rate of 0.00111800 gram per second.
Stran 89 - Committee to make an annual schedule of required miscellaneous supplies for the use of each of the executive departments and other Government establishments in Washington, to standardize such supplies, eliminating all unnecessary grades and varieties, and to solicit bids based upon formulas and specifications drawn up by such experts in the service of the Government as the committee may see fit to call upon, who shall render whatever assistance they may require, provided that the articles intended...

Bibliografski podatki