Bars and Sevens Slot Machine Bank with Spinning Reels

machines had a single closed coil winding Another reason for such winding bar windings with separate end connectors , soldered or bolted on

machine—rather than direct gambling machines Set on a bar in a saloon or similar establishment, such devices attracted wagering between patrons

barbar slot Now here's where the explanation diverge Some say it was meant to represent a stick of gum Others say the bar looked like logo of a gum maker

bar bar black sheet slot bar - to