Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 221
an, as in Fi^. 17.i. it is constructed as .shown in Fijj.17(», in which A represents a l-l>eam which can In* truss«tl if iiiM-e.ssary.This construction allows the water to escape from ih** Intttom of theupper li^ht to the outside of the lop of the lower skylijjht, the i-url» (of the upper li^jht… … Fig. 171. end of the main shaft, and C the binder that fastens the main shaft tothe upright or rafter. D shows the quadrant wheel attached to mainshaft and E is the worm wheel, geared to the quadrant D, commun-icating motion to the whole shaft.F is a hinged arm fastened to themain shaft B and…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
