The Maxim via China
Hiram Maxim’s machine gun was the standard that all others were stacked up to in the late 19th and early 20th Century. They were adopted in Germany (Spandau and DWM Maschinengewehr), Russia (Pulemyot-Maxima PM1910), Britain (Vickers) the U.S. (Model of 1904) and others, remaining in use through WWII.
One gun that saw even more use is the Chinese Type 24, which in itself is a direct copy of Maxim’s Commercial 1909 model.
The Type 24 was perhaps the favorite Chinese heavy machine gun (not in caliber, its just heavy!) throughout WWII and the Korean conflict. It was then given away as military aid extensively and appeared throughout Southeast Asia in the 1960s and 70s and Africa in the 80s, 90s and even today.
Here’s one up close from the guys at AZ Guns and its really neat-o