Model M
IBM Model M keyboard
Acquiring and cleaning a vintage IBM Model M keyboard
Pictures in this album
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Keys off, ready for cleaning
20070519
IBM Model M keys off, ready for cleaning
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Numbers
20070519
Serial and part numbers showing it to be original 1401 from 1987
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Springs
20070519
IBM Model M buckling spring mechanism
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Key cleaning
20070519
Caps and bases separated and soaked in dilute dishwashing liquid
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Cleaned and keycapless
20070520
Keyboard, cleaned and without keycaps. Compare with a modern-ish keyboard above.