Annual report 1912 . Illumination Curves • isIZS • I ?075. ?06 ?026 \ ( \ / S IS 2S 35 AS Hoffl ZONTRL Distance- FeetM# ? I3Z Ft C«r,OLCs M Ill- 001 cc«tc) /?V£f?. {centre)- Ft. Caudles Watts Pea Iinear Ft- J Whtts Watts ;oxMMCf?-so Af>f?o% Lumens- zooDirrusm<z Arrargtus- j# rtMccieH RericcTON He/cut OfLamr- /<* Sr^cinc, Of zoo Hezi^ht Or Pl*neOfrleasuREM^NT- 3Q Cameron St., Ga t 13 H. 178 FIFTH ANNUAL REPORT OF No. 47. 10 15 HORIZONTAL DISTANCE—FEETIllumination Diagram 1 1 IL 1 1 T TTMTNATT niM niA P,RAM I ieight of Light Source 15 ft. Height oi
Annual report 1912 . Illumination Curves • isIZS • I ?075. ?06 ?026 \ ( \ / S IS 2S 35 AS Hoffl ZONTRL Distance- FeetM# ? I3Z Ft C«r,OLCs M Ill- 001 cc«tc) /?V£f?. {centre)- Ft. Caudles Watts Pea Iinear Ft- J Whtts Watts ;oxMMCf?-so Af>f?o% Lumens- zooDirrusm<z Arrargtus- j# rtMccieH RericcTON He/cut OfLamr- /<* Sr^cinc, Of zoo Hezi^ht Or Pl*neOfrleasuREM^NT- 3Q Cameron St., Ga t 13 H. 178 FIFTH ANNUAL REPORT OF No. 47. 10 15 HORIZONTAL DISTANCE—FEETIllumination Diagram 1 1 IL 1 1 T TTMTNATT niM niA P,RAM I ieight of Light Source 15 ft. Height oi Photometer 30 -amp—Total Watts 100— 100—Total Lumens 10 Curve A—Diffusing Globe and ReflectorCurve B—Diffusing Globe H. E. P. C. ONTARIO A B V 20 30 HORIZONTAL DISTANCE—FEETIllumination Diagram 1913 THE HYDRO-ELECTRIC POWER COMMISSION. 179 .7 I 1 ILLUMINATION DIAGRAM / * Holophane Street Lighting Fixture No. 591 ?nparison ol Illumination Derived from Unit at Heights of 10 It. and 1 Lamp—Total Watts 100— 100—Total Lumens 1000 5 ft. f Cur ve B— -lolophane Lantern T H. E. P. C. .ONTARIO ype at IS ft 4 s ** ? r \ s. 20 30 HORIZONTAL DISTANCE—FEETIllumination Diagram CURVES SHOWING HORIZ. ILLUMINATION * Obtained Between Units on Curve A—Jarvis St. Toronto—100 W. Tungsten LampsHeight 9 ft. 6 in— Approx. Spacing 90 ft. Curve B—Typical Street Using Enclosed Arc System Height 30 ft.—Approx. Spacing 400 ft. 1 1 H.
Size: 1913px × 1306px
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Keywords: ., bookcentury1900, bookdecade1910, bookidannualreport, bookyear1912
