Answer:
photographic gun
Étienne-Jules Marey
kinetograph
Thomas Edison and William Dickson
all-metal camera
Bell and Howell
Explanation:
Kinetoscope, which is a form of movie projector was invented by Thomas A. Edison and William Dickson of the United States in 1891.
The photographic gun, also known as chronophotography was invented by Étienne-Jules Marey, a French man.
The all-metal camera was invented by Graham Bell and Howell.
