Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 265
Fig. 145. Fig. 146. from the inside when the warm air strikes against the cold surface ofthe glass, while B B show the rabbets or glass-rest for the glass. In Fig. 146, C C is a re-enforcing strip, which is used to hold the 213 134 SHEET INIETAL WORK … two walls O O together and impart to it great rigidity. When skylightbars are required to bridge long spans, an internal core is made ofsheet metal and placed as shown at A in Fig. 147, which adds to itsweight-sustaining power. In this figure B B shows the glass laid on a bed of putty with the…
Architecture · Building · Carpentry
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