Effect of Mortar Properties on Strength of Masonry Page: 2
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THE NATIONAL BUREAU OF STANDARDS
F actions sad Activities
The funeotbs of the National Bureau of tandards pre set forth in the Act of Congress, March 3, 1901, as
amended by Congres in Public Law 619, 1950. These include the development and maintenance of the national
standards of measurement and the provision of means and methods for making measurements consistent with
these standards; the determination of physical constants and properties of materials; the development of methods
and instruments for testing materials, devices, and structures; advisory services to government agencies on eaen-
tile and technical problems; invention and development of devices to serve special needs of the Government; and
the development of standard practices, codes, and specifications. The tork includes bias and applied research,
development, engineering, instrumentation, testing, evaluation, calibration services, and various consultation and
information services. Research projects are also performed for other government agencies when the work relates
to and supplements the basic program of the Bureau or when the Bureau's unique competence is required. The
scope of activities is suggested by the listing of divisions and sections on the inside of the back cover.
The results of the Bureau's research are published either in the Bureau's own series of publications or in the
journals of professional and scientific societies. The Bureau itself publishes three periodicals available from the
Government Printing Office: The Journal of Research, published in four separate sections, presents complete
scientific and technical papers; the Technical News Bulletin presents summary and preliminary reports on work in
progress; and Basic Radio Propagation Predictions provides data for determining the best frequencies to use for
radio communications throughout the world. There are also five series of nonperiodical publications: Mono-
graphs, Applied Mathematics Series, Handbooks, Miscellaneous Publications, and Technical Notes.
A complete listing of the Bureau's publications can be found in NBS Circular 460, Publications of the Na-
tional Bureau of Standards, 1901 to June 1947 ($1.25), the Supplement to NBS Circular 460, July 1947 to June
1957 ($1.50), and Miscellaneous Publication 240, July 1957 to June 1960 (includes titles of papers published in
outside journals 1950 to 1959) ($2.25); available from the Superintendent of Documents, Government Printing
Office, Washington, D.C.
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Fishburn, Cyrus C. Effect of Mortar Properties on Strength of Masonry, report, November 20, 1961; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc13230/m1/2/: accessed May 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.