Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 395
Fig. 38. showing equal illumination are called, for each room before install- … 30° 20° 10 10° 20° 30° Fig. 39. ing the lamps. This applies to the lighting of large interiorsmore particularly than to residence lighting. 829 48 ELECTRIC LIGHTING Dr. Louis Bell gives the following in connection with resi- TABLE 6. ience lighting Sq. ft. Room. 8 c.p. 16 c.p. .^2 c.p. per c.p.…
Architecture · Building · Carpentry
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