The term "mean place" typically refers to the average position of an object or point in a given context. In a mathematical or statistical sense, it can denote the central value of a set of data. If you meant "mean place" in a specific context, such as astronomy or another field, please clarify for a more tailored explanation.
Signed at: means you write the place (suburb, town, city) where it was signed.
You mean the emancipation proclamation that Abe signed.
the state in which the applicant signed the application.
The place this treaty was signed was in Ukraine under Germany's watch
autographed
There are a number of things that could be meant by a signed watch. It could be a watch with a signed face by the artist.
Without a signed will, the person died intestate.
The hall was the location where the Declaration of Independence was signed and where the constitution was written and signed.
If you mean "Who signed the bill into law?", it was Lyndon Johnson.
It means write your name
Bennett Place
In order for a marriage to be valid, the license must be signed by both parties willingly. If no license was signed, there was no marriage in the first place.