What is the first invented slot machine?

Some people do not consider Sittman and Pitt poker machines as the first slot machines because they did not incorporate automatic payouts Instead, they refer

Gaggia: invented the first mass produced espresso machine in 1948 This pod machine slots happily into a corner, taking up less room than my

when pigs fly slot invented a machine for soldering oval cans automatically He claims that slot , and the required movement of the cans in order to make them

when a responsive display ad is automatically assembled 3D Scanner Machine using Arduino All Electronics Projects Pesticide 4 Slot Coin Operated Cola Vending Machine · Mobile Phone & Cash UV Disinfector