National Rifle Association.
You can find the Nishiki pump manual for instructions on how to use it effectively on the manufacturer's website or by contacting their customer service for a copy.
There are many places where someone can find proper instruction on how to safely use a 4 point harness. A good place is the website "kidshealth" to find proper instruction about that.
Follow instructions in owner's manual. Contact S&W for one if you don't have one or find a good gunsmith
Revolvers are not taken apart except for repair. Suggest you find a gunsmith. Instructions far too lengthy for a Wiki Answer.
There are many places where one can find information on Velvet Revolver music. One can find information on Velvet Revolver music at popular on the web sources such as Sing 365 and Song Facts.
I would talk to a tech professional to find out more about it. I think they can give you the most insight.
Look on the butt of the revolver
You can find out how old an HS Model 10 22 revolver is by taking it to a local pawn shop or gun dealer. You can also use publications that are written to help identify the age of a revolver.
By asking the factory to check their records on that serial number revolver. It may cost for the research.
It means your nipples are discharging fluid. You will need to see a doctor to find out why.
Blue Book of Gun Values
Realistically, you can't.