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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
