The Engelhard prospector silver round is considered a collectible. ÊIt is highly sought out due to the quality of the mint andÊlimited distribution. ÊThe round is 1 Troy ounce of silver with a diameter of 39.8mm.
4-20-11>> Value is tied to the spot price of silver at the time of sale, now it's $45.23 per ounce.
Minted by the Engelhard Mint in the United States, the "Prospector" round was one of the first one-ounce bullion rounds to be minted and marketed to the public. They are not legal tender. The value is tied to the spot price of silver at the time of sale, right now it's $28.90 per ounce.
Value is a little less than spot price of silver at time of sale.
Silver currently retails for about $20/oz. That amount may or may not have been true at the time of its posting. The complete story is that pure silver (.999 fine) is traded daily and its value changes just like any other commodity. Today, 8-20-2009, silver is at $13.88 a troy ounce, making the value of a 1 troy ounce Engelhard silver bar today worth about $14. That value was most assuredly change in the future. There are also sometimes premiums paid for a silver bar or round because of the design or mintage. This site shows a list of all the different types and numbers made of Engelhard one ounce bars: http://freesilverguide.com/engelhard-bars/
The Groat of 1421 was a hammered silver coin of about 3.9 grams. Because it was a hammered coin, the shape was irregular but generally round. It might have been about 25mm in diameter.
You take the radius (or diameter). If radius you times it by two (since it is half of the Diameter) then times the answer by 3.14. If diameter, times the diameter by 3.14. then round the decimals.
The 9mm round in loaded with a bullet diameter of .356"in.
Measure its diameter.
Using the query 'diameter' assumes that the diamond is a round brilliant cut. A 2.50 carat round brilliant cut measures about 9MM at the girdle -- your diamond's diameter will be slightly shorter.
diameter = circumference/pi = 12/pi inches
The same way as you round any other number or measurement.
if 4 foot is the circumference then the diameter is 4/pi = 1.27323954
Assuming the pan is round, multiply the diameter times pi.
Yes, you can find a great selection of round silver cake boards on this website: www.icestandard.org/.../view/.../round-silver-cake-boards.html. They are extremely cheap!
A round, 16' diameter 4' deep pool has a capacity of about 6,016 gallons of water.
(Diameter x Diameter) x 0.00623 = Kilogram per Running Meter
If the table is 60 inches across, the diameter is 60 inches.
About 7/8 foot
It is 1.91 feet.
A round hole 12" in diameter and 54" deep has a volume of about 3.5 cubic feet.