A laboratory course in experimental physics (1896)
Loudon, W. J. (William James), McLennan, John Cunningham, joint author · New York and London, Macmillan and Co. · leaf 49
s indicatedin the previous experiment; then turn the telescope until itreceives the ray BC, and clamp it there. Then note the read-ing on the divided circle as indicated by the vernier on the armattached to the platform on which the crystal rests. After thisturn this arm until, on looking through… … RADIUS OF CURVATURE. 39 which the crystal has been turned may be found. To secureaccurate results the same precautions must be taken as infinding the angle by the previous method. XVII. RADIUS OF CURVATURE OF A CONCAVE SPHERICAL MIRROR. Theory. — In Fig. 31 DHE is a section of a concave spheri-cal…
Physics
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