-iron seating plates of thewood arch, and the stone arches turned. In the meantime the cur-vature of the ribs had been set out upon a platform, and the carpen-ters proceeded with the framework. This being ready by the monthof August, preparations were made for laving the seating plates withinthe… … larch, or other wood piles,driven about fifteen feetapart in the length andwidth of the bridge ; 6, firbearer, upon which theproposed planking waslaid; from tins stage wereraised the standards c c, tosuch heights as the cur-vatureof the ribs required.As they proceeded fromthe springing of the…
Civil engineering · Architecture
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![An illustration from Woodward's architecture, landscape gardening, and rural art. no. I.--1867 [-no. II.--1868] (1872)](https://img.insideoutlibrary.com/img/200/ia-woodwardsarchite01wood-71-69.webp)
