[C19fan]

The Chinese developed a repeating shot cross-bow.

https://en.wikipedia.org/wiki/Repeating_crossbow

[Jack Hammer]

Illegal in California, Maryland, New York, Connecticut, and Massachusetts - along with rapid-fire peashooters.

[rightwingcrazy]

Give the Greeks some credit, too:

https://en.wikipedia.org/wiki/Polybolos

[ProtectOurFreedom]

Wow...had no idea of the Chinese repeating crossbow from 300 BC. “...in the hands of a trained soldier, could easily launch ten bolts in fifteen seconds.” and effective to 80 meters!

[JoeProBono]

[moovova]

“The Chinese developed a repeating shot cross-bow.”

Ah ha! So the shooter could spray the crowd.