Spirasolarishttps://spirasolaris.ca/
(and) superintended measurement of the arc of the thirty-ninth parallel in order to join the Atlantic and Pacific systems of triangulation. Influential in founding the Smithsonian
The Spiral Form and Phyllotaxis: Spira Solaris Archytas Mirabilis, Time and Tide, Lux et Tenebris, Sophia et Sapiens
WA8LMF Useful Links Pagehttp://wa8lmf.net/links/
Internet download speed measurement and Windows "tweak" tools that may increase your Internet access speed. Look for the "SG Speed Test" in the left-hand colum
https://yarchive.net/changelog_1.htmlhttps://yarchive.net/changelog_1.html
Astronomical distance measurements (Henry Spencer; Ned Wright; Steven B. Harris) Astronomical unit (Henry Spencer) Breathable atmospheres (Doug Jones; George Herbert; Henry Spence
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