A gunsmith
No such maker. However, there is a firm called Harrington and Richardson and they did make pistols in 38.
Request a manual from the maker.
You will have to contact the maker.
Ask a gunsmith for help or ask the maker for a manual
u You will have to contact the maker.
A derringer is a firearm, named after a misspelling of the American pistol-maker Henry Deringer.
Need the name of the maker to answer.
The first pistols were made as early as the 15th century, but their creator is unknown.
You will have to provide the name of the maker.
Contact the maker for a list of repair centers.
Depends on what the maker says.
Not unless the maker says it is safe