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. 1916 Excerpt: ...lighting conditions. Code of Lighting for Factories, Mills and Other Work Places Article I.--Daylight.--All buildings hereafter constructed must be provided with adequate window area. Awnings, window shades, diffusive or refractive glasses must be used for the purpose of improving daylight conditions or for the ...
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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. 1916 Excerpt: ...lighting conditions. Code of Lighting for Factories, Mills and Other Work Places Article I.--Daylight.--All buildings hereafter constructed must be provided with adequate window area. Awnings, window shades, diffusive or refractive glasses must be used for the purpose of improving daylight conditions or for the avoidance of excessive brilliancy wherever they are essential to these ends. The windows, skylights, saw-tooth or other roof lighting constructions are to be arranged with reasonably uniform bays, and the daylight openings shall be so designed and proportioned that at the darkest part of any work space, when normal exterior daylight conditions obtain, there shall be available at least a minimum intensity equal to three times the minimum intensities given in Article V for artificial light. Note.--The intensity requirements for daylight are higher than those for artificial light, because the physical condition of the eye during the daytime is usually such as to require a higher intensity of natural light for satisfactory vision than is required at night under ordinary well-designed artificial lighting systems. Article II.--Old buildings at present constructed and not having adequate window area must be provided with adequate artificial light according to the following articles, so as to supplement the natural light during normal daylight hours. Article HI.--All buildings, whether old or hereafter constructed, must be provided during those hours of work when natural light is insufficient or not available with adequate artificial light according to the following articles. Article IV.--Adequate intensity of the light must be provided for each class of work, both on a horizontal plane as well as on a vertical plane passing through the work, according to Ar...
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Add this copy of Handbook of Machine Shop Electricity to cart. $31.96, new condition, Sold by Ebooksweb rated 3.0 out of 5 stars, ships from Bensalem, PA, UNITED STATES, published 2012 by Nabu Press.
Add this copy of Handbook of Machine Shop Electricity to cart. $34.01, very good condition, Sold by Ebooksweb rated 3.0 out of 5 stars, ships from Bensalem, PA, UNITED STATES, published 2012 by Nabu Press.
Add this copy of Handbook of Machine Shop Electricity to cart. $34.40, like new condition, Sold by Ebooksweb rated 3.0 out of 5 stars, ships from Bensalem, PA, UNITED STATES, published 2012 by Nabu Press.
Add this copy of Handbook of Machine Shop Electricity to cart. $62.02, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2012 by Nabu Press.
