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Universal Rectilinear Dials

Published online by Cambridge University Press:  03 November 2016

A. W. Fuller*
Affiliation:
Kilsyke, Ulverston, Lancs

Extract

I first came across these dials at the Old Ashmolean Museum when looking at astrolabes. Miss Kathleen Higgins, then writing a thesis on dials, asked if I could explain the operation of a dial described by Regiomontanus (1436-1476) of which several examples are shown in British and European museums. That was in 1950; since then I have repeatedly tried to evolve an explanation of some way in which dials of this kind may have been invented. Only recently have I been satisfied with my results.

Type
Research Article
Copyright
Copyright © Mathematical Association 1957

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References

* “Early Science in Oxford” Vol. II. pp. 38–41. The Ms. Gunther described (Bodley 68) relates to the Navicula de Venetiis.