Saturday, October 31, 2026

Draw cord fitting on a folding Corona

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Very common and fairly easy to replace: a broken drawband or draw cord. Here replaced with new hemp rope (crafting supplies). The length nee...
Saturday, October 24, 2026

RGB - Corona Special Colors

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Special Coronas! The Corona Special's in color - the three Special variants with a plain color all-over made from 1928 to 1930. The fini...
3 comments:
Sunday, October 18, 2026

Timing - Marchant XL

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The de-rusted Marchant XL mechanism is together again (for the umpteenth time ;-) and now looks to be timed correctly. After a few tries the...
1 comment:
Friday, October 16, 2026

The extending segment drum - Marchant XL

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The drum of the XL is very different in mechanism as well as construction from that of a pinwheel calculator; instead of castings with lots ...
Saturday, October 10, 2026

Replacement platen knob for Corona 3, late model, typewriter

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To replace a missing platen knob on a late 1920s Corona folding typewriter, a simple 3D model to print a replacement. The early folding Coro...
2 comments:
Saturday, October 3, 2026

Replacement ribbon-spool clip from battery-strip

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Many 1920-ies typewriters use a steel clip to clamp the ribbon to the stem of a spool. For example both the Remington Portable and the Coron...
Wednesday, September 30, 2026

Riveted handle - Marchant XL

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The Marchant XL was really clogged-up. Even the crank was hard to remove; not only because of the usual tapered-pin mounting on the rod, but...