Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 445
Fig. 03. Transom Fixtures for Horizontal Pivoting. Transom HardN\are. Transoms are generally hung from thetop or bottom with fast-pin butts; or with pivots in the center of thetop anil bottom rail allowing them to swing at right angles with thetransom bar, which is called pivoting vertically (Fig.…
Architecture · Building · Carpentry
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