Jennings Mystery strips

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Jennings Mystery strips

Postby tomkat » Thu May 03, 2018 5:23 pm

Hi all! My first post here, and I am a slot machine beginner.
I am building an artwork that will feature slot machine symbols and odds. (and UV light)
I recently bought a set of reel strips on ebay for a Jennings machine that must have been customised for the Tropicana Casino.
I am trying to learn as much as I can about these strips as I can, I would be grateful for anything you might be able to tell me...

So of the three strips, two are identical - so I assume I do not have a compete set, and I even wonder if this was perhaps a four reel machine?

The marquee sign seems pretty modern and since it calls for $1, I guess the machine is no older than the 70's.
($1 - I assume you need to put in $1 to play, does that mean you had to buy tokens?)

The reel strips are printed in fluorescent inks and even phosphorescent white, which means the symbols glow in UV light and they glow a little in the dark!
Was there a phase of using day glow inks and setting machine up under UV lights?

Ideally I would like to know the reel set up, and the payout for this game. If I can't find out the exact setup for this machine game, are there similar models which would have different symbols but run on the the same machine setup and payout using a general formula?

Any info at all would be most interesting.
Tom in Australia.
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Re: Jennings Mystery strips

Postby damikeguy » Fri May 04, 2018 3:56 am

If you want to check out many of the old reelstrips you can view this.

https://sites.google.com/view/reelstrips/
Mike
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Re: Jennings Mystery strips

Postby tomkat » Fri May 04, 2018 6:20 am

Thanks Mike. That online document is way cool. Seems not to carry the strips I am looking for but plenty of others.
Enough Jennings strips for me to work out that the code written on my strips is consistent with a long history.
My strips are labelled V12 248 Dancing Girl 25 stop. I hope to work out what V12 stands for, and I wonder if 248 is the 248th game issued by Jennings.
And still on the hunt to find the full reel set and payouts.
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Re: Jennings Mystery strips

Postby tomkat » Thu Jun 21, 2018 4:34 am

I am still trying to figure out the award card for this 25 stop Jennings machine.
Having read though the excellent Handbook of Slot Machine Reel Strips, by Daniel R. Mead (still available from the Mead family on Ebay) I came across this interesting bit of information - Jennings marked up the back of their strips C B A instead of the expected A B C such that unaware folk (like me) would rig up a machine back to front - machine would then appear broken when playing and confusing when calculating the odds of winning in a spreadsheet. So, I am wondering if this Dancing Girl machine did have three reels with two identical strips? The strips are marked B C B and at first I thought I was missing the A strip - but now I wonder if B C B may in fact be the tricky Jennings coding system. So I put all the symbol frequencies into a spread sheet and calculated the odds using a similar era Jennings machine (Lucky Lady- with 4 Jackpots ) and I come up with a 95% return rate - so in the right ballpark. But this is all gueswork - I could be barking up the wrong tree entirely! I read that (some) 20 symbol Jennings machines only stopped on every second symbol, so a 20 stop reel is actually a 10 stop reel that has 10 teaser symbols. Could it be that my 25 stop reel is something similar, in which case the odds can only by calculated by knowing the pattern of stops. Any feedback greatly appreciated...
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