By the 1960s, electromechanical slots allowed for more symbols per reel and larger jackpots.
https://mmomakemoneyonline.net/threads/supe...ehammer.473023/ http://www.prepody.ru/topic57740.html https://debate.socialism.nl/forum/showthread.php?tid=119078 https://sozvezdie-khv.ucoz.ru/forum/3-3673-1#5216 https://www.ww2.site/forum/viewtopic.php?t=28220 https://debate.socialism.nl/forum/showthread.php?tid=146947 https://www.ww2.site/forum/viewtopic.php?t=66911 http://forum.bandingklub.cz/viewtopic.php?f=50&t=1300119 http://come4play.com/forum/viewtopic.php?t=15523 https://www.ww2.site/forum/viewtopic.php?t=106084 https://www.ww2.site/forum/viewtopic.php?t=42712