1919: DRUGS WERE A PROBLEM EVEN 89 YEARS AGO

I WONDER WHAT THE SOURCE OF THAT COOLER AIR WAS INSIDE THE TRENT THEATER BACK THEN. WAS AIR CONDITIONING INVENTED? THE MOVIE MAKES THE POINT THAT "HASHEESH" IS A DANGEROUS DRUG. FROM HEMP, AS IN ROPE? HMMM...I BET THAT WAS A MILD BUT WILD SMOKE.