Inside Out Library

Light and lighting (1908)

Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 291

An illustration from Light and lighting, 1908, leaf 291
reased production. Bush said a few words on the lightingspecification of the future, pointing outthe desirability of insisting upon aguarantee of intensity and uniformity ofillumination—a condition already pre-scribed by some consulting engineers,factory managers, and GovernmentDepartments.… … FIG. 1. —Factory showing illumination of Sewing Machines by means of Local Reflectors and Lamps. It is well known, moreover, thatlighting forms only a small proportionof the total cost of production. Thelecturer illustrated this by consideringthe total running expenditure involvedin a lamp and…

Lighting

Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.

More pictures from Light and lighting

More like this