Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 218
Fig. ir.n. Tluse skvlif^ht.s are chiefly used on steep roofs as shown in the illus-tration, and made to set on a wfK)den curhs pitching the same as the … KiK. lf,7. roof, the curl) first being flashed. Ventilation is oblainetl by raisingone or more lights by means of gearings, as shown in Fig. 155.
Architecture · Building
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