What caliber was the trapdoor Springfield?

What caliber was the trapdoor Springfield? 45-70 caliber 45-70 caliber weapons were manufactured at Springfield. How many Springfield trapdoors were made? Springfield Model 1873 Manufacturer Springfield Armory Produced 1873–1884 No. built Approx. 700,000 Variants Cavalry carbine with 22 in (560 mm) barrel, cadet rifle with 30 in (760 mm) barrel. Read more…

What is James Parkinson known for?

What is James Parkinson known for? He is best known for his 1817 work An Essay on the Shaking Palsy, in which he was the first to describe “paralysis agitans”, a condition that would later be renamed Parkinson’s disease by Jean-Martin Charcot. Did James Parkinson have Parkinson’s disease? Parkinson’s disease Read more…