 | Industrial arts - 1852 - 446 pages
...the ridge and furrow " principle for glass roofs, which so places the glass that the rays of light in mornings and evenings enter the house without obstruction, and present themselves more perpendicular to the glass when they are |jio least powerful ; whereas at mid-day, when they are most... | |
 | Peter Berlyn - Exhibition of Manufactures and Art - 1851 - 210 pages
...late hour of the day. This led me to the adoption of the ridge and furrow principle for glass roofs, which places the glass in such a position that the...obliquely to the glass. Having had this principle fixed in my mind, and being Convinced of its importance, 1 constructed a pine-house in 1833 as an experiment,... | |
 | Cyclopaedia - 1852 - 268 pages
...glass roofs, Fig. IV., which places the glass in such a position that the morning and evening rays enter the house without obstruction, and present themselves...they present themselves more obliquely to the glass. In applying this principle, a still lighter sash-bar than any previously used was employed ; and in... | |
 | Cyclopaedia - 1852 - 260 pages
...morning and evening rays enter the house without obstruetion, and present themselves more perpendieularly to the glass at those times when they are the least...they present themselves more obliquely to the glass. In applying this prineiple, a still lighter sash-bar than any previously used was employed ; and in... | |
 | Industrial arts - 1852 - 460 pages
...the ridge and furrow " principle for glass roofs, which so places the glass that the rays of light in mornings and evenings enter the house without obstruction, and present themselves more perpendicular to the glass when they are the least powerful ; whereas at mid-day, when they are most... | |
 | Industrial arts - 1852 - 450 pages
...the ridge and furrow " principle for glass roofs, which so places the glass that the rays of light m mornings and evenings enter the house without obstruction, and present themselves more perpendicular to the glass when they are the least powerful ; whereas at mid-day, when they are most... | |
 | Charles McIntosh - Garden structures - 1853 - 916 pages
...late hour of the day." This led him to the adoption of the ridge-and-furrow principle for glass roofs, which places the glass in such a position that the...powerful, they present themselves more obliquely to it The following diagram will show the construction of such roofs. Fig. 114 is the elevation of a lean-to... | |
 | Charles McIntosh - Garden structures - 1853 - 916 pages
...late hour of the day." This led him to the adoption of the ridge-and-furrow principle for glass roofs, which places the glass in such a position that the rays of light in the mornings and evenings eater the house without obstruction, and present themselves more perpendicularly to the glass at those... | |
 | Georg Kohlmaier, Barna von Sartory - Architecture - 1991 - 666 pages
...hour of the day. " This led him to the adoption of the ridge-and-furrow principle for glass roofs, which places the glass in such a position that the...powerful, they present themselves more obliquely to it. . . . With ridge-and-furrow roofs there is no necessity for having glass houses on the lean-to... | |
 | Electronic journals - 1851 - 498 pages
...position of the glass and heavy rafters. This led him to the adoption of the ridgeand-furrow principle, which places the glass in such a position that the...and evenings enter the house without obstruction. In 1834 he made a further experiment on the ridge-and-furrow principle, in the construction of a greenhouse... | |
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This led me to the adoption of the ridge and furrow principle for glass roofs, which places the glass in such a position that the rays of light in the mornings and evenings enter the house without obstruction, and present themselves more perpendicularly... 