Are there quarter slot machines 777 in Vegas

Revealed: Arne Slot to Allow Three Liverpool Players to Leave This quarter slot 1 QUARTER CHALLENGE!!! $5,000, BUY IN!!! HIGH LIMIT COIN $500 WON ALL SLOT quarter slot There is one meaning in OED's entry for the adjective quarter-in-the-slot See 'Meaning & use' for definition, usage, and quotation evidence

quarter slot machine Circa 1930-1940s Mills 25 cent play Mills Novelty Company, Original Slot Machine The castings are cast iron which is very rare