Ravenna Township, Portage County, Ohio - Property Map, 1874 Size:18in x 16in Made-to-order print of Nebraska -

Made-to-order print of Nebraska - Road Map

and the east-west position of a ship was calculated using a variety of methods including astronomical observations (comparison of the time on ship of a predictable astronomical event with the time it would have been visible at a prime meridian) and maritime clocks (the use of two clocks

Worcester 1760–1848 London - Artist Nationality: British - Original Medium

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Ravenna Township, Portage County, Ohio - Property Map, 1874 Size:18in x 16in Made-to-order print of Nebraska -Made to order print of Ravenna Township, Portage County, Ohio property map from 1874. A historical map reproduction for wall art, offices, studies, and collectors of Ohio local history.