Inside Out Library · Explore
Instruments and methods used in radiometry - II (1913)
National Bureau of Standards · leaf 20

Measurements and use of instruments · Thermometry, pyrometry and calorimetry · Heat flow, thermal and thermodynamic processes
Internet Archive · NIST Research Library · Public Domain Mark 1.0. Free to use for anything.
More pictures from Instruments and methods used in radiometry - II
More like this