Weights And Measures
Weights and Measures (Troy Weight is used)
Troy Weight is used by jewellers and at the | 277-274 cubic inches = 70,000 grains = 10 lb. av. Mint. Its denominations are the pound, lb…
Dupois Weights
Useful in determining the troy weight of silver by ordinary weights. 1 lb. troy = 0-822857 lb. av. = 13 oz. 72.5 grs. 1 lb. avoirdupois =…
United States Coins
Are convenient standards of weight. Those of gold are to be preferred, and when new will rarely be found to vary more than the tenth of a…
Measures of Capacity for Liquids
In the United States the old wine gallon (Cong.), of 231 cubic inches = 58,328.8 grains of water at 60°, is used. In England the Imperial…
The Decimal System,
Adopted in France and on the Continent, is used in this country in scientific research. The standard of length is the metre (10,000,000 of…
Capacity of Boxes
Dry Measure. A box 20 inches square, and 16] inches deep, will contain 1 barrel (3 bushels).
Linear Measurement
12 inches = 1 foot. 3 feet = 1 yard. 1 mile = 1760 yards = 5280 feet = 63,360 inches. Inches expressed in Decimals of a Foot. 5. To find…
Areas
Product of two Linear Dimensions (proportioned to the squares of similar sides). 144 square inches = 1 square foot. 9 66 feet = 1 “ yard…
Cubic Content
Product of three Linear Dimensions (proportional to cube of similar sides). =0-2500=0.02883320-75000-0624996 Cubic foot 16 031250-0260415…
Contents of Casks
Add into one sum 39 times the square of the bung diameter, 25 times the square of the head diameter, and 26 times the product of the two…
Specific Gravity (Sum by the length)
sum by the length, and the product again by 00024 for wine gallons. General Rule for finding Cubic Content contained between two Parallel…
X L
1. Cube side X side, or = area of base X perpendicular height. 2. Parallelopipidon Prism Cylinder 3. Cone }-{ Area of base by…
Measurement of Stone-Work
1 Perch, Masons' or Quarrymen's Measure. 16 feet long, 16 inches wide, high, 12 " 164 feet long, 18 inches wide, 12 high, 66 }-{ = 22 cubic…
Bricks required for Walls of various Thickness
Number for each Square Foot of Face of Wall. Thickness of Wall. 4 inches.. 724 inches............. 46 52 66 Thickness of Wall. 8 "…
Board Measure
" Boards are sold by superficial measure at so much per foot of 1 inch or less in thickness, adding one-fourth to the price for each…
Specific Gravity (Foot in diameter and feet high)
foot in diameter and 10 feet high, would contain 10 cubic feet, 10 X 1000 X 7.207 = 72.070 oz. = 4500 lbs. Specific Gravity of Solids. 1…
Specific Gravity of Liquids
By the Balance. In ordinary language the terms density and specific gravity (s. g.) are used to represent the relative weights of equal…
Common Water
Oak, (dry) Ash " Maple " Elm " Yellow Pine, " White Pine Cork....... Carb. Acid..
Gas
To Read the Gas Meter. 100.THOUSAND 10. THOUSAND 1.THOUSAND 0 1 9 8 7 0 9 1 22 88 2 33 77 3 6 4 4 6 5 5 654 10.000 1.000 100.EACH The…
Batswing
This has a single slit at the top of the burner. It is very steady; does not change its form under any pressure. It is, therefore, used in…
Foreign Gold and Silver Coins
It requires a swelled chimney. By cutting off the A STATEMENT OF FOREIGN GOLD AND button a steadier light is obtained, and the economy is…
Silver Coins, from the Annual Re-
PORT OF THE DIRECTOR OF THE MINT. Explanatory Remarks.