The American house-carpenter : a treatise upon architecture, cornices and mouldings, framing, doors, windows, and stairs : together with the most important principles of practical geometry (1849)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York : J. Wiley · leaf 200
177 FRAMING. … Fig. 227. should not be attempted, as it is evident that such a system of framing is capable of a tremendous lateral thrust. Fig. m 315. — Fig. 228 represents a wooden bridge in which a built-rib, (see Art. 299,) is introduced as a chief support. The curve of equilibrium will not differ much from…
Carpentry · Architecture · Building
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Von Gewaltsamen Bewegungen: Beschreibung etlicher, so wol nützlichen alß lustigen Machiner beneben Vnderschiedlichen abriessen etlicher Höllen od. Grotten vnd lust Brunne[n]: Daß Ander Buch Darinnen mancherley Grotten und Springende Brunnen, zur zier der Fürstlichen Heusser und Gartten verezeichnet (1615)](https://img.insideoutlibrary.com/img/200/heidelberg-caus1615bd2a-20-1.webp)
