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For more than eighty years NIST has
provided literally thousands of thermal conductivity tests
on a variety of insulation materials that have been made
available to the engineering and scientific professions and
have been incorporated in handbook tabulations. The history
of this activity has most recently been described in the
publication, "Building Research at the National Bureau of
Standards," prepared by P.R. Achenbach and F.J. Powell
(Building Science Series 0, Government Printing Office,
Washington, D.C., 1970), which includes the early history
of the guarded-hot-plate apparatus at NIST. The modern
history essentially began in 1964 when H.E. Robinson of
NIST presented his novel ideas on line heat-sources for
guarded hot plates which were later formalized in the
publication, "Robinson Line-Heat-Source Guarded-Hot-Plate
Apparatus," by M.H. Hahn, H.E. Robinson and D.R. Flynn ( ASTM STP 544, Philadelphia,
PA, 1973).
History of NIST Guarded-Hot-Plate Apparatus
Photograph Gallery of NIST Guarded-Hot-Plate Apparatus
Biographies of Distinguished NBS Researchers
History of Other NIST Thermal Conductivity Equipment
