Practical Pyrometry the Theory Calibration And Use of Instruments for the Mea
Practical Pyrometry the Theory Calibration And Use of Instruments for the Mea
Ferry, Ervin S. (Ervin Sidney), 1868-1956
The book Practical Pyrometry the Theory Calibration And Use of Instruments for the Mea was written by author Ferry, Ervin S. (Ervin Sidney), 1868-1956 Here you can read free online of Practical Pyrometry the Theory Calibration And Use of Instruments for the Mea book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Practical Pyrometry the Theory Calibration And Use of Instruments for the Mea a good or bad book?
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63. WIDE FILAMENT PYROMETER COMPARISON LAMP 107 upward. * On emergence these parts are distinguished in - the diagram by " seconds. " The four beams that strike the upper half of the wide angled prism emerge side by side and are focalized by the lens 0\ in the plane of the diaphragm S. In the same manner, the four beams that strike the lower half of the wide angled prism, emerge side by side and are focalized by the lens 0\ in the plane of the dia- phragm S. The wide angled prism B is so tilted... that these two rows of spectra will not be superposed but will form two bands side by side and in the same plane. In Fig 63, the two rows of spectra (2 h ' } 2 V ', l h ', I/) and (2 A ", 2/', 1, ", I/O should not be in different planes as there represented, but should be in one plane perpendicular to the page. In the eyepiece diaphragm S, there is a slit parallel to the slits Si and 82, which cuts off all the light except a narrow stripe out of the red from one of the ordinary beams that originated at the hot source, and a similar stripe of the same wave-length from one of the extraordinary beams that originated at the comparison source.
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