Plan of the triangles made use of for obtaining the geometrical distance and altitude of Snowdon and Moel Eilio with respect to the sea at Carnarvon, Augt. 1775 / Basire sculpt.

Map of triangulation network in Snowdonia, Gwynedd, northern Wales. Coverage area includes Caernarfon, Dinas Dinlle, and Snowdon.

Bibliographic Details
Corporate Author:	Royal Society (Great Britain) (Publisher)
Other Authors:	Basire, James, 1730-1802 (Engraver)
Language:	English
Published:	[London] : [Royal Society of London], [1777]
Subjects:	Triangulation > Wales > Snowdonia > Maps > Early works to 1800. Triangulation > Wales > Gwynedd > Maps > Early works to 1800. Triangulation > Wales > Caernarfon Region > Maps > Early works to 1800. Snowdon (Wales) > Altitudes > Surveys > Maps > Early works to 1800. Moel Eilio (Wales) > Altitudes > Surveys > Maps > Early works to 1800. Snowdonia (Wales) > Maps > Early works to 1800. Thematic maps. Early maps.
Genre:	Early works to 1800. Surveys Thematic maps. Early maps.
Local Note:	MSU: Gift of Ronald Dietz.
Physical Description:	1 map ; 21 x 39 cm, on sheet 34 x 50 cm
Cartographic Data:	Scale approximately 1:50,000 (W 4°21ʹ19ʺ--W 4°03ʹ56ʺ/N 53°09ʹ01ʺ--N 53°03ʹ55ʺ).
Format:	Map

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