How many years did it take to make the machine gun after the revolver was invented?

When was the machine gun invented?

1884

Maxim and World War I

The first practical self-powered machine gun was invented in 1884 by Sir Hiram Maxim.

1836

Samuel Colt submitted a British patent for his revolver in 1835 and an American patent (number 138) on February 25, 1836 for a Revolving gun, and made the first production model on March 5 of that year. Another revolver patent was issued to Samuel Colt on August 29, 1839.

1884-1836=

48 years later the machine gun was invented

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explanation:

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