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digital preservation and computing history

  • J.H. Muller Difference Machine concept

  • Charles Babbage Difference Engine Concept

  • Charles Babbage difference engine No.2 concept

  • Per Georg Schutz - working difference engines

  • Antikythera Mechanism discovered dated at early 1st Century BC

  • Doron Swade - Reconstruction of working difference engine No.2

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Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.