Julius Totalisator Equipment odds machine.

This is part of a huge electromechanical machine from Wembley Greyhound Stadium. The machine, known as a totalisator or tote, calculated the odds for each dog in real time as gamblers placed their

bets. It also operated a giant display screen. Tote betting was different from betting with trackside bookmakers, who all set their own odds. With the tote, everyone paid into a single pool. Winnings resulted from a mathematical calculation on the bets placed on each dog. Punters no longer needed to shop around for the best odds.