I've been watching a fair amount of King of the Hill lately and caught this amusing reference in a season four episode:
Bundle of Holding - GURPS 3e Core
9 hours ago
An old-school RPG'ing Blog presenting the Lands of Ara fantasy RPG campaign setting and lots of other stuff.
The rise of coordinate plotting is also documented in the commercial development of graph paper. Rectangular grid paper was first offered for sale by a Dr. Buxton in London in 1794. Buxton's product first appeared in published research six years later, in an article on barometric variations which included a footnote advertising the product [Howard*, p. 357]. Herschel made ingenious use of plotted data to calculate the elements of the elliptical orbits of double stars, and his 1832 paper on the subject included a ringing endorsement of graph paper: "Such charts may be obtained, neatly engraved; and are so very useful for a great variety of purposes, that every person engaged in astronomical computations, or indeed, in physico-mathematical inquiries of any description, will find his account in keeping a stock of them always at hand" [Herschel**, pp. 171-2].D&D would seem to fall under the rubric of a "physico-mathematical inquiry of any description".
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