Category Archives: Electronics News

My Years Working on the old Electro-Mechanical Totalisator (Totalizator US)

A few stories and history of my early years as a Mechanic, on the old ATL Melbourne Tote (Australia Circa 1976+) By Don McKenzie  My Years Of Service I started with ATL Melbourne on the 16th-Jan-1976, and retired with TABcorp … Continue reading

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PIC Source Book

The “Official” public release of the Scott Edwards Electronics PIC Source Book/Disk.

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Is This Australia’s First PC? March-1978

Or just the most modified TRS-80? TRS-80 Model One? 26-1001 Model 1 Level 1 4k CPU/Keyboard. Industry Links George Julius, Australia’s Father Of Scientific & Industrial Research. Brian Conlon’s web site devoted to Automatic Totalisators Ltd. Powerhouse Museum Automatic totalisator. … Continue reading

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My Love Affair with the Zilog Z80 Microcontroller

My Love Affair with the Zilog Z8O Microcontroller This is what is left of my love affair with the Z8O. The page is presented as is, and no user support is available. PBUFF was a printer buffer that could be … Continue reading

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Was George Julius the inspiration for CSIRAC, Australia’s first electronic digital computer?

Was George Julius the inspiration for CSIRAC, Australia’s first electronic digital computer? By Don McKenzie Sir George Julius 1914 Totalisator Model Powerhouse Museum Sydney CSIRAC Videos:  The Computer “CSIRAC” (1965) – Part 1 of 2 http://www.youtube.com/watch?v=KYjFaTZmNt8 The Computer “CSIRAC” (1965) … Continue reading

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The World’s First Large-Scale, Multi-User, Real Time System.

The World’s First Large-Scale, Multi-User, Real Time System  by Don McKenzie.   This is one of several pages relating to the history of the automatic totalisator, its invention in 1913, the inventor George Julius and the Australian company he founded in … Continue reading

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