By calculating the percentage for a single full cycle from a play starting with zero on the dial, and ending with a payout, the percentage I obtain is the minimum long-term percentage obtainable by correct play. I'm sorry but that makes no sense. If you ran your single run through model three times...

I've been improving the Jennings section of my penny-arcade.info site,https://www.penny-arcade.info/the-jennings-collection and was delving into his early days with the Mills company. It's quite well known that one of his first important jobs there was running the Mills exhibit at the St Louis World...

The final calculation can be worked out on paper but surely the results needed to do the calc would need thousands of samples (that's what probabilities within random groups are all about). You can't come up with a probability by running through the cycle once, which is why you need a computer to ru...

No, these were gone. I had trouble identifying some of the artwork in fact.

I made replacement reel strips for this (or one like it) for a collector a couple of years ago. (I thought I still had them on file but might have lost them in a computer crash last year so can't post, a pity). As Tom says, really unusual set up, the original strips had the Samson (London) maker's n...

I think you will find most vendors are open fronted on all makes of early machines. That was in fact the object - you were pretending to be vending a product, not running a gambling machine.

Well done, so pleased you have become a keen slotty... The rest of your family might not be so pleased.

So I guess it's just one of those ads you see more and more that are intended to generate an "off ebay" sale.

And to think, we might have put the idea into the Elephant's head.

Spain was the same in the late '60s and '70s. There seemed no reason to play and it always struck me that, in fact, no one DID seem to play.