Journal of the Franklin Institute, Volume 252Pergamon Press, 1951 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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Page 11
Franklin Institute (Philadelphia, Pa.) INTERFLECTANCE CALCULATIONS FOR VARIOUS LUMINAIRES 1 BY PARRY MOON AND DOMINA EBERLE SPENCER 2 ABSTRACT Previous interflectance tables have dealt principally with three basic types of lighting ...
Franklin Institute (Philadelphia, Pa.) INTERFLECTANCE CALCULATIONS FOR VARIOUS LUMINAIRES 1 BY PARRY MOON AND DOMINA EBERLE SPENCER 2 ABSTRACT Previous interflectance tables have dealt principally with three basic types of lighting ...
Page 12
... interflectance for wall lighting ( Class Ib ) only , ( Fw / FD ) 2 = interflectance for ceiling lighting ( Class IIb ) , ( F / FD ) 3 = interflectance for floor lighting ( Class IIIb ) , FD / FL = logance of luminaire ( numeric ) ...
... interflectance for wall lighting ( Class Ib ) only , ( Fw / FD ) 2 = interflectance for ceiling lighting ( Class IIb ) , ( F / FD ) 3 = interflectance for floor lighting ( Class IIIb ) , FD / FL = logance of luminaire ( numeric ) ...
Page 25
Franklin Institute (Philadelphia, Pa.) INTERFLECTANCE After the a's are determined , the calculation of the interflectance f is a simple matter of superposition . The values of Table V were com- puted in this way , using Eq . 3. That ...
Franklin Institute (Philadelphia, Pa.) INTERFLECTANCE After the a's are determined , the calculation of the interflectance f is a simple matter of superposition . The values of Table V were com- puted in this way , using Eq . 3. That ...
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