Top left: In research for the National Institute of Law
Enforcement and Criminal Justice, National Bureau of
Standards scientist Joseph C. Richmond adjusted a passive
night vision camera (ca. 1975); top right: E. L. Wallace
invented an apparatus for testing the durability of leather
inner soles at the National Bureau of Standards (1936);
bottom: In 1910, the International Committee for
Investigating the Voltmeter met at the Bureau of Standards
in Washington, D.C., and carried out a series of
intercomparisons that led to a new value for the
international volt. Bureau of Standards Director Samuel W.
Stratton posed sixth from left.