A Great source of information on this firearm (and most other Iver Johnson Firearms) is the book by W.E. Goforth titled, "Iver-Johnson Arms & Cycle Works Firearms 1871-1993".
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Without knowing the model and caliber, we can't tell. A serial number ALONE does not identify a gun.
How do I open an Iver johnson 32 cal pistol?
Shotguns with this trade name were made by Crescent FIre Arms, Crescent-Davis Arms, Iver Johnson, and J. Stevens. Share the model number and I may be able to tell you which one made yours.
You need to be more specific ie model caliber and all marks as has been said in previous questions and answers. To help identify the model try going to Google and entering Iver Johnson You will find several FAQ pages and they will help you in making an model id a previous answer said there were a million 38s made between 1897 and 1908 so all the info you can provide will make the answer more accurate Another source of information on this firearm (and most other Iver Johnson firearms) is the book by W.E. Goforth titled, "Iver-Johnson Arms & Cycle Works Firearms 1871-1993".
We can't tell you anything about your revolver from the serial number alone. If there is no model name or number marked on it, try to locate it in Flayderman's Guide to Antique American Firearms or Gun Trader's Guide. Both of these books should be available at your local library.
With Johnson outboards, we cannot tell you the age from the serial number. If you tell us the HP of the engine, and it's model number (usually on the clamp bracket), then we can tell you how old it is.
Hercules was made by Iver Johnson from 1918-1943, Hercules name dropped in late 30's!
No way to tell from a serial number only. They are not unique to only one gun, and tell us nothing about the model or condition. We can't tell you the value of a car from a license plate number.
On pre 1980 model Johnson / Evinrude outboards, look up the model number in the OMC model number reference guide. This guide will list model numbers manufactured since 1913.
Is it possible? Yes. Will we tell you how? Absolutely not.
Evinrude and Johnson outboards decipher the year model of the engine, by use of the engine model number.