This technology history page contains an image of a photograph which is one of several belonging to the photo gallery pages which are part of several pages relating to the invention of the world's first automatic totalizator in 1913 and Automatic Totalisators Limited, the Australian company founded in 1917 to develop, manufacture and export these systems.

An ATL PDP8 Computer based Totalizator System

This is an Early Computerised Tote System. I think this is the Royal Hong Kong Jockey Club system at Happy Valley which was based on 3 PDP8s. The Hong Kong PDP8 system was the world's first totalizator based on Mini-computers.

More after the image...


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On the right hand side of the image, above the blue workbench which spans all of the racks, there are three PDP8 Mini Computer control consoles and two Paper Tape Readers. The PDP8 consoles are in the racks that have the brown doors above them. In the middle of the blue workbench, are two TCCs (Tote Control Consoles) with the specialised keyboards. Above the left hand end are Scanners which interface the TIMs (Ticket Issuing Machines) to the computer systems. The centre opening doors in every rack hide all the electronics wiring and cabling.

There is information on the PDP8 based systems elsewhere on this website:

For a close look at the PDP8 systems, there is an image in the Photo Gallery, a few entries before this one, which apart from being part of a look at the installations at Harold Park Trots, has a good look at the PDP8 based totalizator there. The Harold Park PDP8 system was the first computer based totalizator system in the Southern Hemisphere. The image in question is of a Julius Tote Raceday Control Console, however the content of its associated page flows on to the PDP8 successor to this system. To view this page, click on the image above, and scroll up and select the oblong image thumbnail standing upright showing a tall electromechanical device with associated text starting A Raceday Control Console at Harold Park 1958...

There is another image in the Photo Gallery, a few entries after this one showing a company brochure related to the ATL PDP8 based systems. To view this, click on the image above, and scroll down and select the image thumbnail showing two segments of punched paper-tape on the cover one yellow the other white, with associated text starting An ATL product information brochure on the Electronic Racecourse Totalisators ...

There is a larger image of the PDP8 based totalizator in America shown in the above page, in the second page of the Photo Gallery. To view this image, click the image above, and scroll down to the bottom of the page and select the Next page option from the Nav Bar at the bottom. Scroll down and select the image thumbnail showing the PDP8 computer room with associated text starting the A PDP8 based totalisator computer room in North America, probably Georgetown. ...