NBS Special Publication, Issue 250U.S. Government Printing Office, 1965 |
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... methods for testing materials , mechanisms , and structures , and making such tests as may be necessary , particularly for government agencies ; cooperation in the establishment of standard practices for incorporation in codes and ...
... methods for testing materials , mechanisms , and structures , and making such tests as may be necessary , particularly for government agencies ; cooperation in the establishment of standard practices for incorporation in codes and ...
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... methods for testing materials , mechanisms , and structures , and making such tests s may be necessary , particularly for government agencies ; cooperation in the establishment of tandard practices for incorporation in codes and ...
... methods for testing materials , mechanisms , and structures , and making such tests s may be necessary , particularly for government agencies ; cooperation in the establishment of tandard practices for incorporation in codes and ...
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... methods of analysis and evaluating accuracy . Since some of them are useful for calibrating spectrometers , calorimeters meters , and other instruments , the reader is advised to refer to Misc . Publ . 260 . The Institute for Applied ...
... methods of analysis and evaluating accuracy . Since some of them are useful for calibrating spectrometers , calorimeters meters , and other instruments , the reader is advised to refer to Misc . Publ . 260 . The Institute for Applied ...
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... methods for testing materials , mechanisms , and structure the testing of materials , supplies , and equipment . ( 4 ) Cooperation in the establishment of standard practices , incorporated in codes specifications . 1 Chapter II ...
... methods for testing materials , mechanisms , and structure the testing of materials , supplies , and equipment . ( 4 ) Cooperation in the establishment of standard practices , incorporated in codes specifications . 1 Chapter II ...
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... methods for production of needed reference materials , and directs their production and distribution . The items available ... method of measurement , the results of tests , or the inter- pretation of these results , provided that the ...
... methods for production of needed reference materials , and directs their production and distribution . The items available ... method of measurement , the results of tests , or the inter- pretation of these results , provided that the ...
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Common terms and phrases
Ac-dc accepted for calibration accuracy additional American Standards Association API Standard apparatus Appendix attenuators bolometer bolometer units bulb and liquid Bureau of Standards calibration or test changes in emf charged dependent color temperature condenser microphones current fees decibels Determination diameter Electric electrode electromotive force end of table errors exceeding footnote at end frequency Gage blocks gages-determination glass Group of Standard higher or lower hygrometers ice-point reading indications inductors instruments Invar Item Description Fee laboratory length liquid column mass measurements meter National Reference Group ohms perature phase angle plug Precision pressure Radium ratio reference standards REPORT OF CALIBRATION resistance thermometer resistors ring gages sample saturated standard cells schedule special tests specifications spectrophotometer stability standard resistors submitted for calibration tabulated corrections apply temperature range test points test_ tests not covered thermal conductivity thermocouple thermometer was tested U.S. DEPARTMENT uncertainty voltage dividers waveguide weights
Popular passages
Page 11 - Standard Reference Materials issued by the National Bureau of Standards to calibrate a measurement system, or to produce scientific data that can be referred to a common base. A schedule of prices and amounts, as well as directions for ordering, is included.
Page 49 - ... index markers. Since it is necessary to determine the shift of the principal point resulting from prism effect in the lens, the equivalent focal length of the lens as mounted In the camera is incidentally determined...
Page 55 - ... wire loops, spring balances, tension handles, or other attachments liable to be detached or changed in shape. The error in the total length of the tape, when supported horizontally throughout its length at the standard temperature of 68° F. (20° C.) and at standard tension, shall not be more than 0.1 inch per 100 feet (2 mm per 25 m).