How much what? How much money does it cost to buy one? From under a hundred dollars for a used .22 to many thousands for some antiques. You could look at http://www.gunsamerica.com for an idea regarding the price specific firearms are selling for.
Cranpin im Herzberg??
Factory, I'd probably say the 500 Magnum
Around $300.00.
You will have to describe it in more detail.
Not actual machine guns, but something of a predecessor to it - the hand cranked Gatling Gun.
what model
5-500
depends on make, model and condition.
a hand gun
It is extremely painfull, as much as lighting a firecracker on your hand.
Inexpensive turn of the century hand gun. Seldom exceed 120 USD or so
Gun store.
who invented the six shooter hand gun
50-75 usd
50-250 usd
In the range of $120 - $170.
50-1000 USD depending on specifics.