The New American Cyclopaedia: A Popular Dictionary of General Knowledge, 3권Appleton, 1867 |
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5 페이지
... iron beams and light segmental arches , these results were , to some extent , obtained ; but experience has shown that wrought - iron is much better adapted to resist transverse strains , and the testimony of eminent engineers and ...
... iron beams and light segmental arches , these results were , to some extent , obtained ; but experience has shown that wrought - iron is much better adapted to resist transverse strains , and the testimony of eminent engineers and ...
6 페이지
... iron for equal loads ; but the amount of its extension or compression , before rupture , is much greater than that of cast - iron . A wrought- iron beam will thus be more rigid than one of cast - iron , with any load that will in ...
... iron for equal loads ; but the amount of its extension or compression , before rupture , is much greater than that of cast - iron . A wrought- iron beam will thus be more rigid than one of cast - iron , with any load that will in ...
7 페이지
... iron framework between the beams . In some cases the plaster concrete fills up the whole space between the beams , and flooring tiles are laid directly upon it ; in others the depth of the concrete is less than that of the beams , and ...
... iron framework between the beams . In some cases the plaster concrete fills up the whole space between the beams , and flooring tiles are laid directly upon it ; in others the depth of the concrete is less than that of the beams , and ...
14 페이지
... iron and iron fabrics , flax and linen goods , cattle , horses , wine , and grain , for export as well as home con- sumption , and have withal spare hands enough to send annually hundreds of vigorous youths to work in the northern ...
... iron and iron fabrics , flax and linen goods , cattle , horses , wine , and grain , for export as well as home con- sumption , and have withal spare hands enough to send annually hundreds of vigorous youths to work in the northern ...
44 페이지
... iron has been found of more advantage , par- ticularly in hospitals and hot climates , as a security against dirt and vermin . Surgical in- genuity has contrived various mechanical means for adapting the bedstead to the re- quirements ...
... iron has been found of more advantage , par- ticularly in hospitals and hot climates , as a security against dirt and vermin . Surgical in- genuity has contrived various mechanical means for adapting the bedstead to the re- quirements ...
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