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© Bridge Bug 2020
Our bidding guide works a bit like a sliderule.
To see how it works and a demonstration
click this button -
To buy it click the box in the panel to the right.
A Sliderule! What was that?
Yes, the young ones out there probably will not know what a sliderule was.
It was a device pre-computers to help us do large sums with reasonable accuracy.
It work by pushing a slider in and out of a body and then moving a cursor along to get the answer..
Special COVID19 lock down price (over 20% off)