The Crown with assorted letters is a Proof Mark. This system was used in Europe to show that a firearm had been inspected and test fired in the government proof house. Unfortunately several nations used a crown. The balance of the description is not enough information to give you an accurate ansswer. Your best bet will likely be to take this to a gun show or gun shop for an evaluation by them.
Length
Another term for the anticipated length of a person's life is "life expectancy."
multiply the length of the side by another length of the side
Any infinite length that it needs to be in order to get from one place to another.
Shorten
In mobile telecommunication wave length is another word for frequency. and the length can be anything provide that it is allowed by the government
Distance - this is the length traveled to get from one place to another Displacement - this is the length that separates the starting and finishing position
You can't just convert any unit to any other unit. The units must be of a compatible type. Thus, you can convert a unit of length to another unit of length, a unit of area to another unit of area, or a unit of volume to another unit of volume.You can't just convert any unit to any other unit. The units must be of a compatible type. Thus, you can convert a unit of length to another unit of length, a unit of area to another unit of area, or a unit of volume to another unit of volume.You can't just convert any unit to any other unit. The units must be of a compatible type. Thus, you can convert a unit of length to another unit of length, a unit of area to another unit of area, or a unit of volume to another unit of volume.You can't just convert any unit to any other unit. The units must be of a compatible type. Thus, you can convert a unit of length to another unit of length, a unit of area to another unit of area, or a unit of volume to another unit of volume.
No. You can't just convert any unit to any other unit. The units must be of a compatible type. Thus, you can convert a unit of length to another unit of length, a unit of area to another unit of area, or a unit of volume to another unit of volume.No. You can't just convert any unit to any other unit. The units must be of a compatible type. Thus, you can convert a unit of length to another unit of length, a unit of area to another unit of area, or a unit of volume to another unit of volume.No. You can't just convert any unit to any other unit. The units must be of a compatible type. Thus, you can convert a unit of length to another unit of length, a unit of area to another unit of area, or a unit of volume to another unit of volume.No. You can't just convert any unit to any other unit. The units must be of a compatible type. Thus, you can convert a unit of length to another unit of length, a unit of area to another unit of area, or a unit of volume to another unit of volume.
No.
length, duration
What is the area of a regular pentagon with side length of 9.4 feet and an apothem length of 6.5 feet