William A. Radford · Radford Architectural Company · leaf 7
cture, because thebraces take up very little space A welldesigned plank frame roof is perfectlystrong and rigid without any cross brac-ing whatever; so that a horse fork hasa clear sweep from one end of the barnto the other, without obstruction. Most farmers like to have a concretefoundation under… … Detail of inside bent in self-support-ing plank frame construction. the necessary size and strength. In thisconstruction, the man works from thebottom up, in the most natural way.Girders and joists are put in place andthe floor is laid. Sometimes a tempo-rary floor of loose boards is laid…
![An illustration from Rudiments of the art of building : represented in five sections [...] for the use of architects, builders, draghtsmen, machinists, engineers and mechanics (1853)](https://img.insideoutlibrary.com/img/200/ia-rudimentsofartof00bull-69-34.webp)
