Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 538
View from close up, showing targets lighted by two rows of concealed lampsat top and bottom. … View from the back, from whence the movable targets are controlled. THE RIFLE RANGE AT THE GUILDHALL.Lighted by concealed lamps in Holophane Benjamin Steel Reflectors. o24 THE ILLUMINATING ENGINEER (now) MAZDA HALF-WATT FITTINGS. In* our last number we gave an accountof some new fittings for…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.