Modern buildings : their planning, construction and equipment (1905)
Middleton, G. A. T. (George Alexander Thomas) · London : Caxton Publishing Company, Limited · leaf 174
is used for Fig. 237. spans of from 5 to 12 feet. ( b ) Centres with Ribs built up of Solid Timber.^ of the board from which they are cut, boards 9 by 1 inch being generally used ; and the sections should In this kind of centre the ribs are built up out of solid pieces of timber, the length of the… … upper end to fit into the Fig. 238.
Building · Architecture
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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