TABLE OF CONTENTS.

OF the Solar System, as seen from the Sun

Of the Celestial Signs and Constellations

........

...............

Of the Planets, as seen from the Sun..........

Of the Paths of the Planets

Of the Motion of the Planets round their Axis....

PAGE

3

5

10

...

12

13

Of the Phenomena of the Heavens, as seen from the Earth.. 16

Of the new Planets, Ceres and Pallas, &c.

Of the apparent Motion of the Sun, arising from the Earth's

An Explanation of the Phenomena which arise from the

Motion of the Earth, and of the inferior Planets, Mercury

and Venus

....

Of the inferior Planets......

...

98

100

..

Of the retrograde, direct, and stationary Motion of Venus

Of the direct, stationary, and retrograde Motion of the su-

Herschel, on the Construction of the Universe, &c.

Of Comets

Of the tellescopic Appearance of the Planets........

.........

141

143

...

149

..

..

167

2. To find the difference of Longitude between any two

Places

........

209

....

PROB.

PAGE

3. To find all those Places where it is noon at any given

Hour of the Day, in any given Place

210

....

..

4. When it is Noon at any Place, to find what Hour it is at

any other Place.

211

5. At any given Hour where you are, to find the Hour at a

7. To find all those Places which have the same Latitude with

any given place.....

..

215

8. To find the difference of Latitude between any two

Places

.......... ibid.

9. The Latitude and Longitude being known, to find the

10. To find the Distance of one place from another ...... 225

Of Twilight

To rectify the Terrestrial Globe

11. To find the Angle of Position of Places.........

12. To find the Bearings of Places

Of the Diurnal Motion of the Earth .....

13. To rectify for the Summer Solstice

20. To find the Climates, of the Zones....

21. To illustrate the Distinction of Ascii, &c.

247

..........

22. To find the Anteci, &c.

250

..

23. To find those Places over which the Sun is vertical.... 251

PROB.

PAGE

26. To find the two Days on which the Sun is in the Zenith

of any given Place, &c.

255

27. To find where the Sun is vertical on a given day and

Hour.......

ibid.

....

....

28. At a given Time of the Day in one Place, to find at the

same Instant those Places where the Sun is rising, set-

ting, &c.

256

....

29. To find all those places within the Polar Circles, on which

the Sun begins to shine, &c...

257

30. To make Use of the Globes as a Tellurian

31. To rectify the Globe to the Latitude and Horizon of any

Place........

262

32. To rectify for the Sun's Place

ibid.

.....

33. To rectify for the Zenith of any Place...

35. To place the Globe, when exposed to the Sun, that it may

38. To shew where the Sun will be twice on the same Azimuth

in the Morning, and twice in the Afternoon

43. Given the difference of Latitude, and difference of Longi-

283

286

287

291

tude, to find the Course and Distance sailed ...... 297

44. Given the difference of Latitude and Course, to find the

difference of Longitude, and Distance sailed

.......

45. Given the difference of Latitude and Distance run, to

find the difference of Longitude, and Angle of the

\

Course.

...

ibid.

298
PROB.

PAGE

47. Given the Course and Distance, to find the difference of

Longitude and Latitude ......

310

..

48. To steer a Ship upon the Arch of a Great Circle, &c... 301

Of the Terrestrial Globe, mounted in the common Manner.. 303

1. To find the Latitude and Longitude of any given Place on

the Globe

304

2. To find the difference of Longitude between any two given

Places.....

ibid.

3. To rectify the Globe for the Latitude, Zenith, aud Sun's

Place.....

305

4. The Hour of the Day at any Place being given, to find all

those on the Globe, where it is Noon, Midnight, or

any given hour at that time

..

..

5. The Hour of the Day at any Place being given, to find the

correspondent Hour (or what o'clock it is at that time)

in any other Place .........

ibid.

.... 306

6. The Day of the Month being given, to find all those

Places on the Globe where the Sun will be vertical, or

in the Zenith, that Day

7. A. Place being given in the Torrid Zone, to find those two

Days of the Year on which the Sun will be vertical to

that Place.....

8. To find the Antæci, Periæci, and Antipodes of any given

Place...

9. To find at what Hour the Sun rises and sets any Day in

the Year, at any Place, and also upon what Point of

the Compass..

.309

10. To find the length of the Day and Night at any time of

the Year

ibid.

11. To find the length of the longest or shortest Day, at any

Place upon the Earth

...

310

..

12. To find all those inhabitants to whom the Sun is this mo-

ment rising or setting, in their Meridian or Midnight.. 311

13. To find the beginning and end of Twilight

Of the Use of the Celestial Globe, mounted in the common

314