Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 408
TRIC LIGHTING A considerable amount of light is absorbed by the materialused for the construction of shades. Table 10 shows the aj)proxi-mate amount absorbed by some materials. Of the great number of styles of shades and reflectors in use,only a few of the more important will be considered here,…
Architecture · Building · Carpentry
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