The Cambridge Scientific Instrument Co., LTD. · Cambridge University Press · leaf 34
ading temperatures with these thermometers use Indicator 103 £ (Centigrade) or 104 1 (Fahrenheit) ; for continuous registration use Recorder 106 *, 107 if, 108*, 108 a* or 109*. 1 90 t (Fig. 28). SPECIALLY SUITABLE FOR DETERMINING THE TEMPERATURE OF HOT-AIR MAINS, ETC. Tube porcelain, with upper… … Kig. 28. 3—2
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