Yes but Mercury is very massive and it will require a lot of effort with unimpressive result. And then there will be a lot of people MAD at you for wasting a precious commodity and causing serious environmental damage. Mercury is toxic.
Louis Daniel Armstrong fired a pistol at age thirteen
The pistol is intended to be fired from the hand. It is pointed at the target, the trigger pulled, and it fires.
The steel used.
The race commences when the starting pistol is fired.
A pistol which automatically loads the next round into the chamber for firing after the previous round is fired.
One
Depends on who did the engraving, and if the pistol has ever been fired
Properly, a semi-auto or self loading pistol. It is a handgun, that when fired, extracts and ejects the fired cartridge, loads a fresh cartridge and recocks itself for firing, no action taken by the shooter.
Single -Action
No reason it would not be.
Possilble, but, not very likely
Impossible to answer without a DETAILED description of ALL markings on both weapons, condition of the "fired" one, finish, grips, boxes, papers, accessories, history and serial numbers.