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Topic: Lituus

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According to Robert C. Yates 1952, the Lituus curve is studied by Roger Cotes in 1722.
Lituus is a spiral described by the polar equation r == 1/Sqrt[θ].
That is, suppose P is a point on the curve, and X a point on the asymptote OP distance from the origin O. Suppose the area of the circular sector OPX is A. As P moves towards the center on the curve, the area remains the same.
xahlee.org /SpecialPlaneCurves_dir/Lituus_dir/lituus.html   (0 words)

The lituus curve originated with Cotes in 1722.
Lituus means a crook, for example a bishop's crosier.
The lituus is the locus of the point P moving in such a manner that the area of a circular sector remains constant.
www-groups.dcs.st-and.ac.uk /~history/Curves/Lituus.html   (0 words)

 lituus   (Site not responding. Last check: )
The lituus is a species of the Archimedean spiral.
The curve is formed by the loci of a point P moving in such a way that the area of a circular sector remains constant.
The inverse of the curve is Fermat's spiral.
www.2dcurves.com /spiral/spirall.html   (100 words)

 lituus lepton: Shroud of Turin Terms
The lituus lepton (coin) is one of the coin images tentatively identified over one of the eyes of the man of the Shroud.
Images of two coins, minted by Pontius Pilate for use by the Jewish population in Palestine, have been tentatively observed over both eyes of the man whose image is seen on the Shroud.
Filas concluded that this was a lituus lepton coin minted by Pontius Pilate between 29 and 32 CE.
www.shroudofturin4journalists.com /terms/lituus.htm   (392 words)

 Lituus - LoveToKnow 1911
LITUUS, the cavalry trumpet of the Romans, said by Macrobius (Saturn.
A lituus found in a Roman warrior's tomb at Cervetri (Etruria) in 1827 is preserved in the Vatican.
This page was last modified 00:37, 30 Aug 2006.
www.1911encyclopedia.org /Lituus   (75 words)

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