mathematics to Sir Walter
Raleigh, who sent him to survey Virginia (1585). He was one of the best
English algebraists of his time, but his _Artis Analyticae Praxis ad
Aequationes Algebraicas resolvendas_ (1631) did not appear until ten years
after his death.

[545] Thomas Lydiat (1572-1626), rector of Alkerton, devoted his life
chiefly to the study of chronology, writing upon the subject and taking
issue with Scaliger (1601).

[546] See Vol. I, page 69, note 3 {96}.

[547] Walter Warner edited Harriot's _Artis Analyticae Praxis_ (1631).
Tarporley is not known in mathematics.

[548] See Vol. I, page 105, note 2 {186}.

[549] See Vol. I, page 115, note 3 {224}.

[550] See Vol. II, page 300, note 509.

[551] See Vol. I, page 107, note 1 {190}.

[552] Sir Samuel Morland (1625-1695) was a diplomat and inventor. For some
years he was assistant to John Pell, then ambassador to Switzerland. He
wrote on arithmetical instruments invented by him (1673), on hydrostatics
(1697) and on church history (1658).

[553] See Vol. I, page 153, note 4 {337}.

[554] See Vol. I, page 85, note 2 {129}.

[555] See Vol. I, page 43, note 8 {33}.

[556] See Vol. I, page 43, note 7 {32}.

[557] See Vol. I, page 382, note 13 {786}. The history of the subject may
be followed in Braunmuehl's _Geschichte der Trigonometrie_.

[558] See Vol. I, page 377, note 3 {768}.

[559] See Vol. I, page 108, note 2 {192}.

[560] Michael Dary wrote _Dary's Miscellanies_ (1669), _Gauging epitomised_
(1669), and _The general Doctrine of Equation_ (1664).

[561] John Newton (1622-1678), canon of Hereford (1673), educational
reformer, and writer on elementary mathematics and astronomy.

[562] See Vol. I, page 87, note 4 {133}.

[563] "The average of the two equal altitudes of the sun before and after
dinner."

[564] See Vol. I, page 42, note 4 {24}.

[565] London, 1678. It went though many editions.

[566] "This I who once ..."

[567] Arthur Murphy (1727-1805) worked in a banking house until 1754. He
then went on the stage and met with some success at Covent Garden. His
first comedy, _The Apprentice_ (1756) was so successful that he left the
stage and took to play writing. His translation of Tacitus appeared in
1793, in four volumes.

[568] Edmund Wingate (1596-1656) went to Paris in 1624 as tutor to Princess
Henrietta Maria and remained there several years. He wrote _L'usage de la
regle de proportion_ (Paris, 1624, with an English translat