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Building an Apple-1 reproduction
Completed Apple-1 reproduction

Building an Apple-1 Reproduction

  • Part 1: Components
  • Part 2: Power Supply
  • Part 3: The Retro Chip Tester
  • Part 4: Assembly
  • Part 5: Monitor, Keyboard, Power-Up
  • Part 6: C Programming
  • Part 7: The Audio Cassette Adapter
Pietro Mascagni writing at his office desk at the Teatro Costanzi in Rome in 1909
Pietro Mascagni at his desk in Rome (1909)

Pietro Mascagni — Mascagni.org

  • Reviving Mascagni.org
  • Mascagni.org Home
  • Biography of Pietro Mascagni
  • Operas & Complete Works
  • Original Scores & Documents
  • Discography & Audio Excerpts
  • Mascagni in San Francisco (1903)
IBM Magnetic Tape Selectric Composer (MT/SC)
IBM Magnetic Tape Selectric Composer (MT/SC)

IBM Typewriters

  • Typewriter Collection: IBM Typewriters
  • The IBM Memory Typewriter
  • Restoring an IBM Memory Typewriter - Part 1
  • Restoring an IBM Memory Typewriter - Part 2
  • Restoring an IBM Electronic Selectric Composer - Part 1
  • The IBM Magnetic Tape Selectric Composer - Part 1
  • The IBM Magnetic Tape Selectric Composer - Part 2
Typewriter collection
From the typewriter collection

Bruchez Typewriter Collection

  • IBM Typewriters
  • Hermes Typewriters
  • Varityper
  • Accounting Machines
  • Completed Restorations
  • Future Restorations
  • The Hermes Baby (1961)
  • The Royal FP "special order" (1960)
  • Typewriter bucket list
Computer collection
From the computer collection

Bruchez Computer Collection

  • Computer collection
  • The Televideo 800A Terminal
  • The Televideo 912 Terminal - Part 1
  • The Televideo 912 Terminal - Part 2
  • The Televideo 912 Terminal - Part 3
  • Computer bucket list
Repairs and restorations
Disassembled 1893 Caligraph 2

Repairs and Restorations

  • Fixing a Yamaha Clavinova CLP-280
  • Yamaha Clavinova CLP-280 felt and rubber contacts replacement
  • Restoring a Yost 20 Typewriter
  • Restoring a TeleVideo TS-800A Terminal
  • The TeleVideo TVI-912 terminal - Part 1
  • The TeleVideo TVI-912 terminal - Part 2
  • The TeleVideo TVI-912 terminal - Part 3
  • Restoring an IBM Electronic Selectric Composer - Part 1
  • Restoring an IBM Memory Typewriter - Part 1
  • Replacing a VIC-20 key
Mascagni's 1903 autograph of Un pensiero a San Francisco
Mascagni's 1903 autograph of Un pensiero a San Francisco

Recent Blog Posts

All posts →
  • Reviving Mascagni.org Nov 2026
  • Building an Apple-1 Reproduction in 2024/2025 - Part 7: The Audio Cassette Adapter Jun 2025
  • Building an Apple-1 Reproduction in 2024/2025 - Part 6: C Programming Jan 2025
  • Building an Apple-1 Reproduction in 2024 - Part 5: Monitor, Keyboard, Power-Up Dec 2024
  • Building an Apple-1 Reproduction in 2024 - Part 4: Assembly Nov 2024
  • Building an Apple-1 Reproduction in 2024 - Part 3: The Retro Chip Tester Oct 2024
  • Building an Apple-1 Reproduction in 2024 - Part 2: Power Supply Oct 2024
  • Beware of Vail Resorts' Epic Coverage Oct 2024
  • Building an Apple-1 Reproduction in 2024 - Part 1: Components Sep 2024
  • Replacing a VIC-20 key Jul 2024

© 2026 Erik Bruchez.