Chapter XXVI

. . . I consider pure mathematics as the science of 1. Numbers. and 2. Measure in the abstract. that of numbers comprehending
Arithmetic, Algebra, & Fluxions; that of Measure, under the general appellation of Geometry, comprehending Trigonometry plane
and Spherical. Conic sections and Transcendental curves . . .

letter from
*Thomas Jefferson*
to peter carr, september 7, 1814.

1

1815 Catalogue, page 112, no. 1, as above.

TACQUET,
André.

8vo. No copy was seen for collation.

This edition not in Ebert, not in Bowes and not in Riccardi.

André Tacquet, 1611-1660, Dutch professor of mathematics; the first edition of this work was published in Antwerp in 1665.

William Whiston, 1667-1752, succeeded Sir Isaac Newton as Lucasian professor of mathematics at Cambridge University. He was deprived in October
1710 of his professorship owing to his religious views.

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2

1815 Catalogue, page 112, no. 11, as above.

EUCLIDES.

QA451 .S61

First Edition. 4to. 220 leaves, diagrams.

Lowndes III, 757.

Riccardi 1756
^{2}.

Murray, pages 24 and 51.

For Jefferson’s comment on Simson’s Euclid, see no. 3667 above.

Robert Simson, 1687-1768, Scottish mathematician, was for a number of years professor of mathematics at the University of Glasgow. This
edition of Euclid is the basis of most of the modern textbooks.

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