Maps of Wrexham
Maps of Wrexham
Scale: 1 : 31680
Description: The county boundary of Denbighshire and Flintshire is indicated here by a red pecked line. The plan is formally titled, with a note in the top left corner explaining that it has been copied from the original protraction with north facing upwards instead of true. A triangulation diagram appears on the reverse of the drawing: this enabled the draughtsman to plot with prominent topographical features with precision. Many pencil lines radiate from a trigonometrical point at Cefny Fedw, indicated by a dot within a triangle. These represent the angular measurements taken from this point.
Creator: Giles, John C.
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