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A set of schematics and programming directions for a prototype model of the Apple II residence laptop lately offered for $630,272 from RR Auction, the corporate stated immediately.
The paperwork have been written by Apple co-founder Steve Wozniak and included 5 pages of circuit schematics and notes on sheets of graphic paper, a 12-page handwritten programming instruction information with 28 steps, and 6 photocopied pages that have been headed “Bus Sources,” “System Timing,” “Display,” “Sync Timing & Adr. Gen,” and “Timing,” that includes a number of annotations.
Wozniak added notations, circuit adjustments, and programming notes to those pages as he hand-wired the Apple II prototype, and he confirmed their veracity previous to the public sale.
Accompanied by a signed letter of provenance from Wozniak: “These documents, circa 1975, are my original Apple II prototype schematics and programming instructions. They are precious. On these work-in-progress diagrams, you can even see my breadboarding technique, where I’d go over drawn connections in red as I soldered the wires in. At the time, I favored using a purple felt tip pen for writing, so it’s interesting to see these notes decades on. The prototype was hand-wired while I was still an engineer at Hewlett-Packard’s Advanced Product Division, where I was involved in the design of hand-held calculators.”
Along with these notes, a purposeful Apple-1 laptop was additionally offered off, fetching a worth of $736,862. Apple-1 machines have been the primary computer systems created by Apple and have been offered by Steve Jobs out of his dad and mom’ storage. There have been solely 175 Apple-1 computer systems created, and fewer of half of these are nonetheless in existence.
Other objects offered at the public sale embody a “Battleship” keyboard signed by Steve Jobs and Steve Wozniak that went for $74,535 and a Steve Jobs-signed Monsters, Inc cue sheet that went for $12,501.
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