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Author: La Hire, Philippe de, 1640-1718.
Title: Gnomoniques, or, The art of drawing sun-dials on all sorts of planes by different methods with the geometrical demonstrations of all the operations / by Mr. De la Hire of the Royal Academy of Sciences, ; rendred into English and illustrated by an example in numbers by John Leek, professor of the mathematicks.
Publication Info: Ann Arbor, Michigan: University of Michigan, Digital Library Production Service
2011 April (TCP phase 2)
Availability:

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Print source: Gnomoniques, or, The art of drawing sun-dials on all sorts of planes by different methods with the geometrical demonstrations of all the operations / by Mr. De la Hire of the Royal Academy of Sciences, ; rendred into English and illustrated by an example in numbers by John Leek, professor of the mathematicks.
La Hire, Philippe de, 1640-1718., Leeke, John.

London: Printed for Rich. Northcott ..., 1685.
Alternate titles: La Gnomoniques. English
Notes:
Reproduction of original in the Harvard University Library.
Subject terms:
Sundials -- Early works to 1800.
URL: http://name.umdl.umich.edu/A48279.0001.001

Contents
title page
THE PREFACE.
THE CONTENTS.
GNOMONIQƲES, OR The ART of DRAWING SUN-DIALS On all Sorts of PLANES.
THE FIRST PART.
CHAP. I.
CHAP. II.
CHAP. III.
CHAP. IV.
CHAP. V.
The Demonstration of the former Practice.
To find the Center of the Dial, and to draw the Equinoctial Line, knowing the place where the Shadow of the Point of the Style cuts the Substylar Line.
Demonstration.
Another way of finding the Substylar Line by the Amplitude of the Suns Rising and Setting upon the Plane of the Dial.
CHAP. VI.
Demonstration.
Another Practice upon the same Positions and Constructions.
CHAP. VII.
Demonstration.
CHAP. VIII.
Demonstration.
Demonstratson.
CHAP. IX.
CHAP. X.
To find the Center by three Points of Shadow.
Demonstration.
CHAP. XI.
CHAP. XII.
Demonstration.
CHAP. XIII.
Demonstration.
CHAP. XIV.
Demonstration.
CHAP. XV.
Demonstration.
CHAP. XVI.
Demonstration.
CHAP. XVII.
I.
II.
III.
IV.
V.
VI.
THE SECOND PART.
THE PREFACE.
CHAP. I.
Demonstration.
CHAP. II.
Demonstration.
CHAP. III.
Demonstration.
CHAP. IV.
CHAP. V.
Demonstration.
CHAP. VI.
Demonstration.
CHAP. VII.
Demonstration.
CHAP. VIII.
CHAP. IX.
Demonstration.
CHAP. X.
Demonstration.
CHAP. XI.
CHAP. XII.
CHAP. XIII.
RULE I. To continue the Tables of the Suns Declination.
Example.
RULE II. To find the Declination of the Sun at all Hours of the Day.
Example.
RULE III. To know the Declination of the Sun at a given Hour in any place that is set down in the Table.
Example.
Another Example.
Another Example.
An ADVERTISEMENT concerning the Figures.
tables
A TABLE Of the Suns Declination For the Year 1681, Which was the First after Bissextile or Leap-year.
A TABLE Of the Suns Declination For the Year 1682. Being the Second after Bissextile or Leap-Year.
A TABLE Of the Suns Declination For the Year 1683. Being the Third after Bissextile or Leap-Year.
A TABLE Of the Suns Declination For the Year 1684. Being Bissextile or Leap-Year.
A TABLE Of the Differences of Meridians Of the most considerable Places In the whole World, In respect of PARIS, With the Height of the Pole or Latitude of the same places.
ADVERTISEMENT.
The Approbation.
license
commentary
First in the Right-angled Triangle S P B.
Secondly, In the Right-angled Triangle S P A,
Thirdly in the Obliquangular Triangle s d b.
Fourthly, In the Obliquangular Triangle s d a▪
Fifthly, In the Obliquangular Triangle BAT.
Sixthly, In the Obliquangular Triangle BPA,
Seventhly, In the Right-angled Triangle P G I,
Eightly, In the Right-angled Triangle K G O,
Ninthly, In the Obliquangular Triangle OKD,
Tenthly, In the Right-angled ngle D K z,
Eleventhly, In the Right-angled Triangle P G Q,
Twelfthly, To find P C;