arquardt porcelain diaphragms, which aid in mitigating aircirculation. As a further aid in preventing air circulation it issometimes advantageous to incline the entire furnace at an angleof about 30°. The furnace tube is of Marquardt porcelain woundwith platinum tape 5 cm wide. An auxiliary heating… … ^
Thermometry, pyrometry and calorimetry · Heat flow, thermal and thermodynamic processes
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