They began making guns in 1871, name changed to Forehand Arms in 1890, and company was sold in about 1901. Any parts available would be salvalged from other guns, or hand made by a true gunsmith. A LIMITED amount of parts for SOME guns may be available from Numrich. Check their website undergunpartscorp. Sorry-
A good gunsmith can help determine caliber. For value, check what they have been selling for on the various auction sites. Value depends on condition, accessories, etc., and can vary by location.
To find out if you are related to Hanry Wadsworth Longfellow, you will need to research your own ancestry back to the time of Longfellow, and before, and determine whether anyone in your ancestry was connected to Longfellow.
Are you sure that is not an Iver Johnson? What are the other markings on the gun? firstname.lastname@example.org Forehand Arms was bought by Hopkins and Allen in 1903 and that company made some revolvers marked with the Forehand name. But the Model 1900 and owl trademark are both Iver Johnson marks. I suppose IJ could have made a few with that name sometime after H&A went out of business in 1915, but you probably have a "bitzer" combining parts of two similar guns.
The best place to find parts for a Whirlpool dryer would be the Phillips website if the model is relatively new. If it is an older machine then Espares would be a good source as they are able to find parts for most electricals.
One can purchase parts for a BMW X5 from a BMW car dealer where the car is manufactured. That would be the ideal place to find the parts. If one would require parts that are not from this shop, one could look the parts on Ebay and on Amazon to find them.
You would find water ice inside some of the shaded parts of craters.
One can possibly find parts for petrol disc cutter online in vehicle parts selling websites. In addition, one can possibly find parts on eBay or Amazon.
I would say for the same reason you find black people in parts of the world that is not Africa.