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- Wycoff-Attix free air chamber
- radiation physics; National Bureau of Standards (U.S.)
- The Wycoff-Attix with a 300 KV free air ionization chamber for measurement of x-rays in region 100 - 300 KeV
- NBS-NIST Divisions, Offices, and Programs
- Evans Hayward at work
- radiation physics; National Bureau of Standards (U.S.)
- Evans Hayward is pictured discussing experimental work in photonuclear physics, electron scattering, and experimental beams from a linear accelerator. (Image Source: Wilfrid Mann for NBS)
- NBS-NIST Divisions, Offices, and Programs
- Portrait of Stephen Seltzer
- radiation physics; National Bureau of Standards (U.S.)
- Portrait of Stephen Michael Seltzer. Seltzer's research has included work on dosimetry for medical and space applications. In 1999 Seltzer won the Department of Commerce Silver Medal for leadership in computational dosimetry. The award recognized...
- NBS-NIST Divisions, Offices, and Programs
- Stephen Seltzer at work
- radiation physics; National Bureau of Standards (U.S.)
- Stephen Seltzer at his work station. Seltzer's research has included work on dosimetry for medical and space applications. In 1999 Seltzer won the Department of Commerce Silver Medal for leadership in computational dosimetry. The award recognized...
- NBS-NIST Divisions, Offices, and Programs
- Cavity chambers
- radiation physics; National Bureau of Standards (U.S.)
- Cavity ionization chambers used as standards for gamma ray dosimetry
- NBS-NIST Divisions, Offices, and Programs
- Joseph Motz Portrait photo in NIST paper archives
- radiation physics; National Bureau of Standards (U.S.)
- Joseph Motz Portrait from the NIST Archives. Motz' research included work on with bremsstrahlung radiation, interaction of electrons and protons with matter in the energy range from 0.05 to 4 MeV, and X-ray inspection for medical and industrial...
- NBS-NIST Divisions, Offices, and Programs
- Ray Radebaugh
- RAY RADEBAUGH Inducted: 2010 Citation: For outstanding, pioneering contributions to cryocooler technologies, leadership in cryogenics research at NIST, and leadership in the national and international cryogenics community. Tenure: 1966-2009...
- NIST Gallery of Distinguished Scientists, Engineers, and Administrators
- Oral history interview of Jacob Rabinow, August 12, 1982 / dictated by Jacob Rabinow in his home
- Rabinow, Jacob
- Jacob Rabinow discusses his career at NBS. He arrived in 1938 and began rating water current meters. He describes the genteel atmosphere of NBS and Washington, DC, at the time. During the war he designed safety mechanisms for fuzes, and was...
- NBS-NIST Oral Histories
- Distribution of energy in the visible spectrum of an acetylene flame
- r
- Journal of Research of NIST and Predecessor Publications
- Temperature dependence of the Hall and longintudinal resistances in a quantum Hall resistance standard
- quantum Hall effect; resistance standard; temperature dependence
- We present detailed measurements of the temperature dependence of the Hall and longitudinal resistances on a quantum Hall device [( GaAs( 7)] which has been used as a resistance standard at NIST. We find a simple power law relationship between the...
- Journal of Research of NIST and Predecessor Publications
- The configurations 3dn4p in doubly ionized atoms of the iron group
- Q and T corrections; configurations 3dn4p; energy levels; iron group; interaction parameters; third spectra
- Experimental levels of the configurations 3dn4p in the third spectra of the iron group were compared with corresponding calculated values. Besides the electrostatic and spin-orbit interactions the aL(L + 1 ), Q and T corrections were considered in...
- Journal of Research of NIST and Predecessor Publications
- PTR Type Standard Resistor
- This PTR type standard 0.1-ohm resistor was made by Otto Wolff in Berlin. It was calibrated in 1898 at the PTR (Physikalisch-Technische Reichsanstalt). Presumably it was then purchased with others by the Office of Weights and Measures, (precursor...
- NIST Museum Artifacts
- Standard PTR Type Resistor
- This PTR type 0.1-ohm standard resistor was one of a group of four resistors which apparently had been in use by the Office of Weights and Measures prior to 1901. (The Office of Weights and Measures was a precursor to the National Bureau of...
- NIST Museum Artifacts
- Fitting y equals beta x when variance depends on x
- Proportional lines; integer values; variances
- This paper presents some results concerning the selection of a method for estimating the slope of a straight line through the origin. For fitting the line y= beta x when the variance of y is proportional to xp, it is well known that the best...
- Journal of Research of NIST and Predecessor Publications
- Software assurance using structured assurance case models
- product assurance; software assurance; software assurance case; software security; structured assurance case model; structured software assurance model
- Software assurance is an important part of the software development process to reduce risks and ensure that the software is dependable and trustworthy. Software defects and weaknesses can often lead to software errors and failures and to...
- Journal of Research of NIST and Predecessor Publications
- Dead Weight Piston Gage
- This Crosby piston gage was purchased in 1942. Two pistons give ranges of 100 and 500 pounds per square inch. Used to calibrate pressure gages.
- NIST Museum Artifacts
- Extreme-value theory and applications: Proceedings of the Conference on Extreme-Value Theory and Applications, Volume II - Gaithersburg, Md - May-1993
- Preface
- Journal of Research of NIST and Predecessor Publications
- Preface to the Fourth Group of "Waves in Plasma" Papers
- Preface
- Journal of Research of NIST and Predecessor Publications
- Preface
- Preface
- Journal of Research of NIST and Predecessor Publications
- The Gaseous Electronics Conference Radiofrequency Reference Cell - Preface
- Preface
- Journal of Research of NIST and Predecessor Publications

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