CUBIC, OR SOLID MEASURE.

To find the Cubical Contents in a Stick of Timber.

If all the dimensions are in feet, multiply the length by the breadth, and this product by the depth, to obtain the number of cubic feet.

If the length is in feet and the width and depth in inches, multiply the length by the width, and this product by the depth in inches; then divide the last product by 144 for the cubic feet.

If all the dimensions are in feet and inches, reduce the whole to inches; then multiply the length, breadth and depth together, and divide the product by 1728, to obtain the cubic feet.

The French unit of length, called the metre, has been taken as being the ten millionth part of the quadrant of a meridian passing through Paris; that is to say, the ten-millionth part of the distance between the equator and the pole, measured through Paris. It is equal to 39-3707898 inches. The metre is divided into one thousand millimetres, one hundred centimetres, and ten decimeters; while a decameter is ten metres; a hectometre one hundred metres, a kilometre one thousand metres, and a myriametre ten thousand metres. The following table gives the value of these measurements in English inches and yards:

One English yard is equal to 0.91438 metre; while one mile is equal to 1-60931 kilometres.

Unit of Surface. For the unit of surface, the square inch, foot, and yard adopted in this country and in England are replaced in the metric system by the square millimetre, centimetre, decimetre, and metre. 1 square metre = 1.1960333 square yards.

0

10

60 152-40 154.94 157°48

160:02

70 177.80 180-34

182.88

185 42

80 203.20 205 74

208 28

210-82

Ct. Mt. Ct. Mt. Ct. Mt. Ct. Mt. Ct. Mt. Ct. Mt. Ct. Mt. Ct. Mt. 0'000 2.540 5.080 7.620 10.16 12.70 15.24 25.40 27.30 30.48 33.02 35.56 38.10 40.64 20 50.80 53.34 55.88 58.42 60.96 63.50 66.04 30 76.20 78.74 81.28 83.82 86.36 88.90 91.44 40 101.60 104.14 106.68 109-22 111.76 114:30 116.84 50 127.00 129-54 132:08 134.62 137-16 139.70 142.24 162.56 165'10 167.64 187.96 190-50 193'04 213 36 215.90 218.44 220.98

Ct. Mt. 17.78 20.32

Ct. Mt.

22.86 43.18 45.72 48.26 68.58 71.12 73.66 93.98 96.52 99.06 119.38 121.92 124:46 144.78

147:32 149.86

170-18

195 58

Met. Met. Met.
Met. Met. Met. Met.
06096 0.9144 1.2192 15239 1.8887 2:1335 2.4383
3-6575 | 3.9623 42671 4.5719 4.8767 5:1815 5 4863
6-7055 70102 731507-6198 7.9246 8.2294 8.5342
9-7534 10:058 10363 10-668 10.972 11-277 11:582
12-801 13:106 13:411 13716 14:020 14:325 | 14:630
15.849 16:154 16:45916-763 17:068 | 17:373 17.678 17.983
18-897 19-202 19:507 19:811 20:116 20:421 20-726 21:031
21 945 | 22-250 | 22′555 | 22.859 23:164 23:469 23.774 24079
24.993 25-298 25-602 25.907 26-212 26.517 26.822 27.126
27:04128346 28-651 28955 29-260 29-565 29.870 30-174
31 089 31-394 31.698 32.003 32:308 | 32-613 32.918 33.222

Met.

2.7431

5.7911

8.8390

11.887

14.935

39-371

Feet. Feet. Feet. Feet. Feet. Feet. Feet. Feet.
6:5518 9.8427 13.123 16:404 19C85 22.966 26-247 29-528
42651 45932 49-213 52:494 55.775 59′056 62:337

72 179

75.461

78741
111:55

11483

82-022 85:303 88:584
118:11

91-865 121:39 124.67

95 146

127.96

NOTE. The standard pound avoirdupois is the weight of 27-7015 cubic inches of distilled water at 39.83° Fahrenheit, barometer 30 inches, and weighed in the air.

1=.05

=

20=

A point inch. A line

=

=

1=.125 =201.16 1=1609.315

A Gunter's chain :

=

6 points=inch. A palm 3 inches. A span = 9 inches. A hand 4 inches. A fathom=6 feet. A cable's length=120 fathoms = 720 feet. = 66 feet 4 rods. 80 Gunter's chains=1 mile. A nautical or sea-mile = 6086.07 feet, or 100 part of the earth's circumference at the equator=1.152664 geographical or land miles. 1 degree at equator = 69.160 land miles. 1 land mile.86755 of a nautical mile.