tion of their time and attention in the acquirement of such important
data; which must, ultimately tend to the advancement of science, and
public utility.

Reaumur's Thermometric Scale turned into Fahrenheits.

_______________________________________
R. F. |R. F. |R. F. |R. F.
| | |
80 212.00|51 146.75|23 83.75| 5 20.75
79 209.75|50 144.50|22 81.50| 6 18.50
78 207.50|49 142.25|21 79.25| 7 16.25
77 205.25|48 140.00|20 77.00| 8 14.00
76 203.00|47 137.75|19 74.75| 9 11.75
75 200.75|46 135.50|18 72.50|10 9.50
74 198.50|45 133.25|17 70.25|11 7.25
73 196.25|44 131.00|16 68.00|12 5.00
72 194.00|43 128.75|15 65.75|13 2.75
71 191.75|42 126.50|14 63.50|14 0.50
70 189.50|41 124.25|13 61.25|15 1.75
69 187.25|40 122.00|12 59.00|16 4.00
68 185.00|39 119.75|11 56.75|17 6.25
67 182.75|38 117.50|10 54.50|18 8.50
66 180.50|37 115.25| 9 52.25|19 10.75
65 178.25|36 113.00| 8 50.00|20 13.00
64 176.00|35 110.75| 7 47.75|21 15.25
63 173.75|34 108.50| 6 45.50|22 17.50
62 171.50|33 106.25| 5 43.25|23 19.75
61 169.25|32 104.00| 4 41.00|24 22.00
60 167.00|31 101.75| 3 38.75|25 24.25
59 164.75|30 99.50| 2 36.50|26 26.50
58 162.50|29 97.25| 1 34.25|27 28.75
57 160.25|28 95.00| 0 32.00|28 31.00
56 158.00|27 92.75| 1 29.75|29 33.25
55 155.75|26 90.50| 2 27.50|30 35.50
54 153.50|25 88.25| 3 25.25|31 37.75
53 151.25|24 86.00| 4 23.00|32 40.00
52 149.00|

The circle is divided by the French into 400 degrees; by the English
into 360. Hence 10 French circular degrees equal 9 English.

APPENDIX.

A FEW USEFUL HINTS FOR TRAVELLERS.

Passports.--The office for passports in London is at N