NBS Special Publication, Issue 250U.S. Government Printing Office, 1965 |
From inside the book
Results 1-5 of 20
Page
... Steel tapes . 202. 405 Invar base - line tapes . 202.406 Surveyors ' measuring instruments .. 202. 410 Haemacytometers . Precision circles_ 202. 411 Linear thermal expansion of solids 202. 412 Gage blocks__ Engineering metrology- 202 ...
... Steel tapes . 202. 405 Invar base - line tapes . 202.406 Surveyors ' measuring instruments .. 202. 410 Haemacytometers . Precision circles_ 202. 411 Linear thermal expansion of solids 202. 412 Gage blocks__ Engineering metrology- 202 ...
Page
... steels of certified composition , standard thickness sa of electroplated coatings , metals of known freezing temperature for use in thermometry , standards , and radionuclides of known emission rate . A list of all major categories of ...
... steels of certified composition , standard thickness sa of electroplated coatings , metals of known freezing temperature for use in thermometry , standards , and radionuclides of known emission rate . A list of all major categories of ...
Page 50
... Steel tapes 202.405 Invar base - line tapes 202.406 Surveyors ' measuring instruments ( other than tapes ) 202.407 Sieves 202.408 Haemacytometers 202.410 Precision circles 202.411 Linear thermal expansion of solids 202.412 Gage blocks ...
... Steel tapes 202.405 Invar base - line tapes 202.406 Surveyors ' measuring instruments ( other than tapes ) 202.407 Sieves 202.408 Haemacytometers 202.410 Precision circles 202.411 Linear thermal expansion of solids 202.412 Gage blocks ...
Page 65
... Steel tapes . ( a ) Steel tapes accepted by the Bureau as suitable for calibration will be issued a National Bureau of Standards Report of Calibration . Steel tapes are used for many types of long- interval length measurements . The ...
... Steel tapes . ( a ) Steel tapes accepted by the Bureau as suitable for calibration will be issued a National Bureau of Standards Report of Calibration . Steel tapes are used for many types of long- interval length measurements . The ...
Page 66
... Steel tape determination of correction to the total length of the tape when supported throughout at standard tension and at standard temperature , for a tape not exceeding 200 ft or 50 m in length_ _ _ -- This is the regular standard ...
... Steel tape determination of correction to the total length of the tape when supported throughout at standard tension and at standard temperature , for a tape not exceeding 200 ft or 50 m in length_ _ _ -- This is the regular standard ...
Other editions - View all
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).