Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 345
or removal of snow. If snow is removed fromthe roof, it may conveniently be shoveled through thesmoke ducts into gondola cars beneath. An Observatory. There has recently beencompleted on the top of Blue Hill, a few milesfrom Boston, a reinforced concrete observatorywhich presents some interesting… … 11! ;---aoV Section at Third Floor. Longitudinal Section.Figs. 93 and 94. Blue Hill Observatory, near Boston, Mass. The observatory is of circular section, 17 feet 6 inchesinside diameter, 20 feet 6 inches on the outside, and 33feet high (Figs. 93 and 94). The walls are of doublethickness of 4…
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
