Celestial and Terrestrial Globes. 135

223. If any place be brought under thestrong brass meridian, and the horary indexbe set to that XII which is most elevated,and if that place be brought to the westernside of the broad paper circle, the hour in-dex will shew the time of sun-rising; andwhen moved to the eastern edge, the indexpoints to the time of fun-fetting ; the lengthof the day is obtained by the time shewn bythe horary index, while the globe is turnedfrom the west to the east side of the illu-minated disc.

Thus it will be found that at London thefun rises about 15 minutes before IV in themorning, and sets about 15 minutes asterVIII at night.

At the following places it will be nearlyat the times expressed.

Cape HornCnpe of Good-HopeRio de Janario in Bra-'zil, near the tropic ofCapricorn

The island of St.Thomasat the equatorCape Lucas, the souther-most point of Cali-fornia, at the tropicof Cancer.

K 4 We

v.£

0

Length

I \V1-

Riling.

Setting.

of Day.

light.

h. m.

h. m.

h. m.

h. ni.

8 44

3 16

'6 ' 32

2 3?

7 c 9

4 5 1

9 4 2

1 43

6 42

S >9

O

I 23

6 0

6 0

12 O

r to

5 » 2

co f

:!

13 36

y 33