that would depend on the model and serial number.........................
Colt Dragoon Revolver was created in 1848.
When was Colt revolver? That's a strange question. You might want to clarify.
Patterson, NJ 1836 ie the Colt Patterson Revolver
Go to the Colt website.
1836
no
Yes.
life was not long with 'one' shot..........life improved with the colt revolver.............
Samuel Colt inveted the Revolver.
Get a letter from Colt
Proofhouse.com has Colt sn data.
Colt Model 1877 "Lightning" Double Action Revolver in caliber .38 Colt and the similar revolver model "Thunderer" in caliber .41 Colt.