Browsing named entities in Knight's Mechanical Encyclopedia (ed. Knight). You can also browse the collection for Portage, N. Y. (New York, United States) or search for Portage, N. Y. (New York, United States) in all documents.

Your search returned 1 result in 1 document section:

timber bridges:— Widest Arch. Name.River.Place.Curve.Architect.Date. Span.Rise. Ft.Ft. In. ColopusSchuylkillPhiladelphia34020 0SegmentWernwag1813 PiscataquaPiscataquaNew Hampshire25027 4SegmentPalmer1794 BambergRegnitzGermany20817 4SegmentWiebeking1809 TrentonDelawarePennsylvania20032 0SegmentBurr1804 WrittenghenRhineSwitzerland19830 10SegmentGrubenmann1777 Pont LouisIserFreysingen15413 6SegmentWiebeking1809 Ellicott's MillsPatapscoMaryland15020 0LatticeUnknown1838 Erie RailwayPortageNew York (1,000 ft long)Trestle Foundry-barrow. Wood′en-frame Bar′row. One with an iron box, for foundry purposes. Wood-en-grav′ing. Wood-engraving, or the making of woodcuts, differs from plate-engraving in the fact that the design in the former is in cameo, while the latter is in intaglio. It is difficult to as sign a date to the invention, as the signets of royalty in ancient times were made upon the same principle, if not with similar tools, upon the same material. Th