1935 Groetchen Tavern Trade Stimulator

mk3u2012

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Picked this little guy up a couple months ago and finished restoring last week. My first pure mechanical trade stimulator/slot. I admittedly knew very little in regards to machines of this era (and still do). Other than the fact that I wanted to own some. I love the history of coin op in general and trade stimulators are a huge part of that.

This was a $100 buy in what was relayed as non-working condition. "Tavern" is a relatively rare trade stimulator that started demanding interest in the 80's-90's. As such there have been forgeries. Thankfully I did my homework before hand and now own an authentic example. Many Groetchen trade stimulators accept all denominations of American coins (1,5,10,25). "Tavern" accepts only nickels. The machine rewards a gumball or a piece of 'ball gum' as was said in the early twentieth century, upon pulling the arm and cycling the reels. This was intended to help garner the attention of customers and more importantly skirt the laws against gambling. Although missing on my machine, the 'Awards Card', mounted to the front of the machine would display winning combinations and there associated payouts. "Tavern" was unique in that its reels depicted beer steins, bottled beers, and whiskey instead of cigarettes and fruits. Upon playing a winning combination you would call over an attendant as this was a deferred payout trade stimulator/slot. They would first look for a played nickel in the coin window on the side of the machine. Verifying it was indeed 5 cents and not a washer/slug. Then check your winning combination against the 'Awards Card' and payout the type/number of drinks won. This is where the term 'Trade' in 'Trade Stimulator' plays a role. In reality many folks who were playing these machines were indeed seeking a payout of cash upon winning. Instead of just being rewarded with a free beer or whiskey the player would be offered either a drink or cash payout. There would be a monetary value associated with each winning combination as is seen with slots of the modern era. The payout was deemed a trade for the drink he/she had one. The attendant would then clear the coin window by pushing a button on the back door of the machine to insure that no future customer could claim a previous winning combination and nickel played. All this to disguise the fact that gambling was indeed taking place inside of a bar, saloon, drug store, or cigar shop.

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Upon purchase the gentleman really couldn't tell me anything about the machine. Other than quarters were to big for the acceptor opening, and every other coin that could fit got jammed. First thing I did was to take the unit apart. Slowly while taking lots of pictures. Turned out that the coin chute was all bent out of shape and kept anything from sliding all the way into the mech. So I removed and bent the sheet metal back into shape. The units case is made of aluminum casting and most of the internal parts are stamped or pressed steel I believe. As expected there was plenty of dirt, old oil residue, and rust. I broke the whole unit down leaving only the score reel bundle intact. Happily the paper reel strips look to be originals as well.

I started by washing everything in Dawn and hot water. Scrubbing with a toothbrush. I used Simple Green for many of the sub assemblies as they were gunked up. Any metal that was rusty got a bath in EvapoRust and if needed was scrubbed with veratex (scotch brite pad) until clean. I then reassembled everything adding a light amount of sewing machine oil on most moving joints. I used Super Lube for the reel shaft. The mounting feet were hard and crumbling so I replaced them with modern rubber feet that have internal washers for structure. Reels were simply vacuumed lightly and wiped down with a dry cloth. To fragile to use any cleaner on. Glass was cleaned and backed with new cork board pieces. Back door on my machine is not original and non functioning in regards to the knock off button for the coin window. One of the springs was broke and needed to be replaced. There is an anti-cheat mech that acts as a brake for the reels that will need its rubber grommets replaced. Its plate is attached to a rod that when sitting on a table lifts the brake and allows the reels to spin. If tilted or lifted off the table the rod is pushed down by a spring causing the brake to engage the reels and prevent any possible turning of the reels. The way in which the arm engaged the reels is pretty clever as well. Without a coin, you could pull down on the arm all the way to its normal end point without ever engaging the reels. This is because the lever is allowed to slide through an opening in the mech that engages the plates/springs that eventually spin the reels. The nickel is actually the point of contact between the mech and the lever extending from the arm. A deposited nickel slides all the way down into a holding slot and blocks the opening that the lever was allowed to pass previously without a coin deposited. Pulling the arm down now feels resistance about half way through as the nickel is pushed against a sliding plate connected to the main spring. At full travel the coin is dropped into the coin window and the reels are allowed to spring into action.

After getting it all back together the unit functioned as intended. Next its time to give it a good buffing/polishing.

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Buffing/polishing was a quite the task because of the texture style case the slot is housed in. And 88 years to tarnish didn't help. I started by trying to use my 4" electric buffer with polyester bonnet and Flitz compound but I couldn't for the life of me keep it clean. It would start off making improvements and then end up pushing around a tarnish paste until it cooled and hardened. This could then be wiped away with a cleaner but I felt It was one step forward two steps back. I needed to polish with the compound and keep moving to a clean spot on the bonnet which just wasn't possible with the amount of tarnish. So I ended up using a micro fiber cloth and doing it by hand. This worked better but still I felt the low spots of the texture were not being polished. The real results started to come when I buffed using a high grit veratex pad (scotch brite) and the Flitz compound. I would buff it into the unit and then wipe away with the micro fiber cloth. By far the best results but I have got to believe there is a way to do this with power (electric/air) vs. by hand. So I'm all ears if anyone knows what I don't in regards to buffing/polishing these units.

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That is cool. Nice job on the restore.

Thanks for sharing.
Thanks. I really enjoyed going through it. There are 100's of amazing trade stimulators to look for. I have a 1928 Mills Novelty Poinsettia slot to restore next. Very exciting machine.
 
It's an extremely neat piece.

Do you think you could find some vintage advertising? It looks like it needs something in the middle of the front.
 
It's an extremely neat piece.

Do you think you could find some vintage advertising? It looks like it needs something in the middle of the front.
I think its neat too. I'd love to stumble upon a flyer. Many similar machines from Groetchen were made in large quantities and were popular. The 'Tavern' is less known.
The open area in the front with a border is for the awards card which I am currently sourcing. This will show the sequence of symbols (beer,bottle,whiskey) and there corresponding payouts.
 
I think its neat too. I'd love to stumble upon a flyer. Many similar machines from Groetchen were made in large quantities and were popular. The 'Tavern' is less known.
The open area in the front with a border is for the awards card which I am currently sourcing. This will show the sequence of symbols (beer,bottle,whiskey) and there corresponding payouts.
Aha! Sounds great!

I hope you can find one!
 
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