Electrical Engineering
By:Books Group Staff,Henri De Lourdoueix,Books Group
Published on 2012-05 by Rarebooksclub.com
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1914 Excerpt: ...part of the day. in a room where adequate daylight facilities are available, it is not necessary that there be a high intensity of artificial illumination, as most of the evening work consists of putting the foundry in order. A low intensity of illumination is supplied for this work by 10-250 watt clear tungsten lamps with Holophane D'Olier enamel steel type (DED-250) reflectors. These units are spaeed as shown on the plan and hung above the traveling crane. The wattage consumption in the main portion is approximately 0.45 watts per square foot. The side bay, or brass foundry, is lighted by 10-100 watt clear tungstens, also equipped with Holophane D'Olier enamel steel reflectors of the type (DED-100). The consumption in this portion is about 0.75 watts per square foot. (Formerly Southern Electrician) A special room has been built for the storage of patterns. It is constructed in the form of a vault, the only entrance being from the outside. Illumination is supplied by 8-60 watt clear tungsten lamps in Holophane D'Olier reflectors of (DElD-00) type, hung nine feet above the floor. The units are placed with respect to the location of the storage racks. In Fig. 5 a night photograph is shown, giving the illumination obtained in the drafting room. Although this is a comparatively small room, the results show what may be accomplished by an equipment which differs slightly from that used in similar ro mis of other installations. Illumi Fig. 4. Lighting Arrangement And Illumination For Woodworking Machinery--One Watt Per Sq. Ft. nation in this room is supplied by 12-100 watt bowl frosted tungsten lamps with Holophane D'Olier enamel steel reflectors of type (DED-100). These units are hung about 10 feet above the floor, thus eliminating the glare which would otherwis...
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Book ID of Electrical Engineering's Books is EjajpwAACAAJ, Book which was written byBooks Group Staff,Henri De Lourdoueix,Books Grouphave ETAG "E9a8pGGti4c"
Book which was published by Rarebooksclub.com since 2012-05 have ISBNs, ISBN 13 Code is 9781234932749 and ISBN 10 Code is 1234932741
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