9 c d e f … c ct e f C Fig. 18.—Methods of sighting pyrometer on a furnace sufficiently well realized even when the radiator is constructed ofwhite porcelain, as was seen from the discussion in Section IV, 1. Method C should be employed for calibrating a fixed focuspyrometer such as the Thwing or Foster. The…
Thermometry, pyrometry and calorimetry · Heat flow, thermal and thermodynamic processes
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