The Trade name registered HSB&CO.stands for Hubbard Spencer Bartlett & co. I found this information from a book by Charles Carder. Thank you.
This is a method used to make shotgun barrels in the 1800's and early 1900's. Wires or thin steel strips were wrapped around a mandrel and hammer-welded. Belgian laminated would be one of the least expensive types of laminated barrels.
There were at least two models of The American .38 Revolver manufactured in the very early 1900s. I have one of each. One came to me from my Grandfather (1880-1964) and the other from an Uncle (1875-1955). One model is 'hammerless', i.e. double action only. There is an exposed hammer but without a thumb tang. There is a scoring on the hammer to facilitate pulling it back needed. This model was an ideal pocket gun - no hammer tang to hand up in the pocket. The second is both double action and single action. This hammer has a thumb tang. Neither of the guns have any safety features to prevent accidental firing. A common way would be to rest the hammer in between two cartridges, or on an empty chamber on on a fired cartridge. These were the Saturday night specials of the day. The gun's firing pin was part of the hammer and as such was not replaceable. The firing pin easily broke and the entire hammer had to be replace - obviously these guns were not for target practice. As an FYI, my Grandfather and Uncle lived in the deep South during KKK days.
By breaking it with a hammer.
ham-mer two
a hammer
for safety sake take it to a gunsmith
Depends on what your shotgun is. If you have one of the older hammered shotguns (exposed hammer), you can decock them the same way you would any other firearm with an exposed hammer - you gently lower the hammer with your thumb. If you have a shotgun which doesn't have an exposed hammer, your only feasible way of going about this is to empty the magazine, be especially certain to ensure that the chamber is empty, and pull the trigger.
It has a visible hammer (or two).
Install a water hammer arrestor (air chamber)
if it is the 1878 hammer shotgun made about 1886
No one ever installs a water hammer they install a shock absorber such as an air chamber
It was made in either Belgium or one of its colonies.
in good shape they sell for about$300 to $500,open hammer pump shotgun
Go to Google, select IMAGES from the toolbar, and for search term enter Iver Johnson double hammer shotgun.
When a valve is closed quickly the flow of water is interupted causing a water hammer. A water hammer arrestor or air chamber can be used to absorb the hammer.
When the action is open, nothing is holding a shell in the chamber, and the firing pin is several inches away from the shotshell primer. The hammer is also held down by the bolt when in the rearward position. Action open, safety on is the standard "weapon clear" drill. No, no way.
Best lef to a gunsmith