TIMBER. !

Specific Gravity

Weight in lbs. ' per Cubic Foot.

Tenacity in lbs. ( per Square Inch.

Crushing Force in lbs. per

Square Inch.

Ash...............................

.8

50

17.200

9.000

Beech

.69

43

11.000

9.000

Birch.............................

.71

44

15.000

5.500

Cedar

.48

30

11.000

5.600

Deal, Christiana

.7

44

12.000

6.000

Elm...............................

.6

37

13.000

10.000

Hornbeam

.75

47

20.000

7.000

Larch

.55

34

9.000

5.500

Memel............................

.6

37

Mahogany, Spanish

.8

50

16.000

8.000

Oak, English......................

.93

58

17.000

10.000

Oak, Canadian.....................

.87

54

10.000

6.000

Pine, red..........................

.65

41

12.000

5.800

Pine, yellow

.45

28

11.000

5.100

Teak, Moulmein...................

.65

41

15.000

12.000

Yew..............................

.8

50

8.000

MISCELLANEOUS.

Asphaltum........................

.9

56

Gutta-percha......................

.98

61

India-rubber

.94

59

Ivory

1.8

112

FLUIDS.

Boiling Point.

Expansion.*

Alcohol

.8

50

173°

.11

Ether.........................

.74

46

100

.07

Oil................................

.90

56

.08

Water, fresh

1.000

62.4

212

.047

Water, sea........................

1.028

64.1

213

GASES.

Water 1.

Comparative Weight (Air being 1.)

Weight of Cubic Foot in Grains.

Air

.0012

1.000

527

Carbonic acid

.0018

1.524

800

Carburetted hydrogen..............

.0005

.420

220

Hydrogen.........................

.00008

.069

43

Oxygen

.00125

1.103

627

* Expansion of fluids is calculated between 32° and 212° Fahrenheit.