Apr 25, 2009 · CI – stands for a hallmark or trademark that identifies its maker. It could be local jeweller or some jewellery factory in India or China.

What does 925 c1 mean?

These stamps stand for sterling silver. This means the piece of jewelry should be 92.5% pure silver mixed with another metal, usually copper. Silver on its own is very soft and needs another metal added to make solid jewelry.

What does 14K c1 mean on a ring?

14KP Means that You have Purchased a Ring that is EXACTLY 14 KARAT/ CARAT GOLD it has been tested and the GOLD Is 58.8% PURE!

Where did RST and R-S-t come from?

RST was born and died before my time. These designations come from the old Continental standard which goes right back to the early days of three-phase equipment. R-S-T was the general designation for the three phases of the supply system.

What does RST mean in 3-phase equipment?

RST was born and died before my time. These designations come from the old Continental standard which goes right back to the early days of three-phase equipment. R-S-T was the general designation for the three phases of the supply system. A B C etc. Hope this clarifies your question. Have a great day ahead. Job interview secrets revealed.

What does 14 kt mean on a ring?

Apparently their request for some small leeway was honored, and a ring marked 14 kt might actually be slightly less than 14 kt. But “plumb” means it’s at least 14 kt in final form, including solder, resizing, or anything else. Q. I JUST RECEIVED AN ENGAGEMENT RING. THE RING HAS MARKINGS I DO NOT UNDERSTAND.

What does RST mean in input and output?

Various industries have various odd conventions – like UVW being an input and RST being an output, but these are not universal, or codified. R, Y, B had the advantage of matching the colour codes used until Red, Yellow, Blue was abandoned in the change in IEC 60446 RST was born and died before my time.