4 resultados para corneal topographer

em Harvard University


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This layer is a georeferenced raster image of the historic paper map entitled: A topographical map of the state of Rhode Island and Providence plantations, surveyed trigonometrically and in detail by James Stevens, topographer and civil engineer, Newport, R.I. 1831. It was published by James Stevens in 1832. Scale [ca. 1: 95,040]. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Rhode Island NAD 1983 coordinate system (in Feet) (Fipszone 3800). All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, drainage, public buildings, schools, hotels, banks, industry locations (e.g. mills, factories, mines, etc.), selected private buildings with names of property owners, town and county boundaries, canals, and more. Relief shown by hachures. Depths shown by soundings. Includes Census statistics and "Remarks".This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

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This layer is a georeferenced raster image of the historic paper map entitled: Post route map of the state of New York : and parts of Vermont, Massachusetts, Connecticut, New Jersey and Pennsylvania, showing also the adjacent portions of the dominion of Canada, designed and constructed under the orders of Postmaster General, Alex. W. Randall, and second asst. Postmaster General, Geo. Wm. McLellan, by W.L. Nicholson, topographer of P.O. Dept. It was published by U.S. Post Office Dept. in 1868. Ink notation: "The service on this diagram brought up to date of Jan. 1st, 1871." Scale [1:380,160]. This layer is image 1 of 2 total images of the two sheet source map. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Universal Transverse Mercator (UTM) Zone 18N NAD83 projection. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, railroads, postal routes (with delivery schedule frequency and distances), drainage, cities and towns, counties, and more. Includes insets: Postal service of Long Island with the principal mail connections of the city of New York. Scale [1:380,160] -- [Parts of the provinces of Québec and Ontario bordering New York and Vermont]. Includes tables of distances and statistics. This layer is part of a selection of digitally scanned and georeferenced historic maps from The Harvard Map Collection as part of the Imaging the Urban Environment project. Maps selected for this project represent major urban areas and cities of the world, at various time periods. These maps typically portray both natural and manmade features at a large scale. The selection represents a range of regions, originators, ground condition dates, scales, and purposes.

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This layer is a georeferenced raster image of the historic paper map entitled: Post route map of the state of New York : and parts of Vermont, Massachusetts, Connecticut, New Jersey and Pennsylvania, showing also the adjacent portions of the dominion of Canada, designed and constructed under the orders of Postmaster General, Alex. W. Randall, and second asst. Postmaster General, Geo. Wm. McLellan, by W.L. Nicholson, topographer of P.O. Dept. It was published by U.S. Post Office Dept. in 1868. Ink notation: "The service on this diagram brought up to date of Jan. 1st, 1871." Scale [1:380,160]. This layer is image 2 of 2 total images of the two sheet source map. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Universal Transverse Mercator (UTM) Zone 18N NAD83 projection. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, railroads, postal routes (with delivery schedule frequency and distances), drainage, cities and towns, counties, and more. Includes insets: Postal service of Long Island with the principal mail connections of the city of New York. Scale [1:380,160] -- [Parts of the provinces of Québec and Ontario bordering New York and Vermont]. Includes tables of distances and statistics. This layer is part of a selection of digitally scanned and georeferenced historic maps from The Harvard Map Collection as part of the Imaging the Urban Environment project. Maps selected for this project represent major urban areas and cities of the world, at various time periods. These maps typically portray both natural and manmade features at a large scale. The selection represents a range of regions, originators, ground condition dates, scales, and purposes.

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This layer is a georeferenced raster image of the historic topographic paper map entitled: City of Saint Louis, U.S. Geological Survey ; H.M. Wilson, geographer ; Chas. E. Cooke, topographer in charge ; topography by the City of St. Louis and Chas. E. Cooke ; Mississippi River by U.S. Army Engineers ; control by City of St. Louis. It was published by the Geological Survey in 1904. Surveyed 1903. Scale 1:24,000. Covers Saint Louis, Missouri and portions of East Saint Louis and Stites, Illinois. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Missouri East State Plane Coordinate System NAD83 (in Feet) (Fipszone 2401). All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This is a typical topographic map portraying both natural and manmade features. It shows and names works of nature, such as mountains, valleys, lakes, rivers, vegetation, etc. It also identify the principal works of humans, such as roads, railroads, boundaries, transmission lines, major buildings, etc. Relief is shown with standard contour intervals of 20 feet. This layer is part of a selection of digitally scanned and georeferenced historic maps from The Harvard Map Collection as part of the Imaging the Urban Environment project. Maps selected for this project represent major urban areas and cities of the world, at various time periods. These maps typically portray both natural and manmade features at a large scale. The selection represents a range of regions, originators, ground condition dates, scales, and purposes.