Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 342
of freezing-point. 206. Metallic Pyrometers are instruments used for meas-uring high temperatures. The ordinary instruments sold underthis name are made of two metals which have different rates ofexpansion, copper and iron generally being used. The differ-ence in the rate of expansion is employed… … Fig. 140.—Apparatus toTest Boiling-point. § 298.J MEASUREMENT OF TEMPERATURE. 353 the medium in which it is enclosed ; when one tube alone isheated, the needle may be stationary on the dial, or even havea retrograde motion. The metallic pyrometer is usually calibrated by immersingin a pipe filled…
Building materials · Machinery
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