If there is a + and - at the ends of the arrow as well, it's a DC supply pictogram (8volt)
The U with the arrow is the hallmark for Uncas, it is a jeweler established in 1911.
ADDED::
the 8 is the size
what is 8 nv mean
Have a ring RJ 8 marked inside. The 8 refers to ring size. Am searching RJ myself.
Korea = Country of Origin or what country the ring is from. 8 = Ring Size
From what I understand some jewelers stamped in the ring size!
If the ring is gold, it means it is either 8 or 9 karat gold.
The NV in your ring means that your ring was made from the Nevada Silver Mines which in turns mean that your ring is Sterling Silver. The next letters you are referring to is au which is the periodic symbol for Gold meaning thet your ring is in fact real gold.
I have NV and 8 stamped inside my 3 joined rings and they're bronze, silver and gold in colour, someone told me it stand for either Nevada Silver or the ring size for countries such as Australia.
The age of a hard hat can be determined by checking the date stamp located inside the shell. Hard hats generally have a manufacturing date printed on the underside of the brim or inside the shell. You can refer to this date to determine how old the hard hat is.
The WA ( World Archery Federation, former FITA ) targets are coloured as follows, from the inside out: * 9 ring, 10 ring and inner 10 ring - gold * 7 ring, 8 ring - red * 5 ring, 6 ring - blue * 3 ring, 4 ring - black * 1 ring, 2 ring - white
Are you sure the 8 is not a nine as this would refer to sterling silver (925 parts per thousand) & that the stones set into the ring are cubic zirconia's
Engine air filter
Broken Arrow - 1956 Justice 1-8 was released on: USA: 27 November 1956