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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: The Plane Scale and Stereographic Projection in Early Navigation
From: Robert H. van Gent
Date: 2025 Jul 12, 12:03 -0700
From: Robert H. van Gent
Date: 2025 Jul 12, 12:03 -0700
Hi,
I have seen authors using both the term “plane scale” and “plain scale”. What is the correct or preferred spelling for this instrument? In Dutch it was called the “plein-schaal”. The Dutch word “plein” usually means a town- or city square and would refer to any flat surface.
Rob van Gent
