Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 161
Gravity Catch 2 Piece HolophajieBand Refractor Ventilation y Fig. 14.—Section drawing of modern type street lantern for gas-filled lamps. … ^Li • (A) (B) (C) (D) (E) Fig. 15.—Size comparison in street lighting equipment. Open arc (a), flame arc (b), and enclosed arc lamp (c), compared frith two recentdesigns of lanterns for gas-filled lamps (n) and (e)—all to same scale. THE ILLUMINATING ENGINEER, (june 1910) 151 adaptability,…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
