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WEIGHTS AND MEASURES. 39
TABLE No. o. Specific Gravity, Weights and Values.
i
Metric. American.
Metals.
Approximate
value per
pound
Kilog. per
cubic dec. or Pounds per Pounds per avoirdupois
specific cubic inch. cubic foot.
gravity.
Water .... 1 0.036125 62.425
Gold (24 k) . . 19.361 0.697 1208 #300.00
Platinum . . . 21.531 0.775 1344 310.00
Silver .... 10.474 0.377 654 9.50
Wrought iron . 7.78 0.28 485 0.015
Cast iron . . . 7.21 0.26 450 0.008
Tool Steel . . 7.85 0.284 490 0.10
Zinc 7 0.252 437 0.10
Antimony . . . 6.72 0.242 419 0.12
Copper .... 8.607 0.31 537 0.15
Mercury .... 13.596 0.489 849
Tin . . . 7.291 0.262 455 0.25
Aluminum . . 2.67 0.096 166
Lead 11.36 0.408 708 0.05
TABLE No. 10. Specific Gravity and Weight of Medium
Dry Wood.
Metric. American.
Variety.
Kilog. per cubic Pounds per cubic
dec. specific gravity. foot.
Birch 0.60 to 0.80 37.5 to 50
Ash 0.50 to 0.80 31 to 50
Beech 0.60 to 0.80 37.5 to 50
Oak 0.60 to 0.90 37.5 to 56
Ebony .... 1.19 74
Lignum-vitce 1.33 83
Spanish mahogany . . . 0.85 53
Hickory .... 0.50 32
Spruce .... 0.50 32
Pine .... 0.40 to 0.80 25 to 50
Pitch pine .80 50
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