Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 82
r half-watt lamps. SHELL-INSPECTING HAND LAMPS. Besides general illumination in afactory, it is often needful to providespecial lighting at some particular point.An instance is afforded by deep borings,such, for example, as occur in shell-work,where a special hand-lamp, which can bepassed into the… … 72 THE ILLUMINATING ENGINEER (feb. 1916) REVIEWS OF BOOKS. /Standard Cloths, Structure and Manu-facture. By Roberts Beaumont, M.Sc,M.I.Mech.E. (Scott Greenwood andSon, London, 1916) ; 325 pages, 16plates, 150 illustrations.) At the present time, when all are im-pressed by the need for studying…
Lighting
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