4 Matching Annotations
- Oct 2024
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www.youtube.com www.youtube.com
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A Primer on Typewriter Ribbons & Spools by [[Damon DiMarco]]
Typewriter ribbon is 1/2" wide (12.7mm) which has been standardized as DIN2103.
The DIN 32755 spool, aka a Universal spool, or a Group 1 spool.
Olivetti typewriters use Group 4 spools.
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- Aug 2024
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www.reddit.com www.reddit.com
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the diameter of the spool spindle is different in all groups, so from the measurement of the spindle, you should be able to tell what group it is.
via u/guneeyoufix at https://new.reddit.com/r/typewriters/comments/1amo13f/cheap_ribbons_for_uk_typists/
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www.mrmrsvintagetypewriters.com www.mrmrsvintagetypewriters.com
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Lists of the primary spool types and typewriters which fit them.
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www.reddit.com www.reddit.com
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The three most common typewriter spools:
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GR1 (Group 1)
- Used by most German machines.
- Sometimes known as DIN 2103 or 32 755.
- 50-54mm Diameter.
- 5mm center hole.
- Usually 1, 3, 4, or 6 round drive holes.
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GR4 (Group 4)
- Used by Olivetti and some other Italian machines.
- Early models require a separate spool nut to fasten.
- 50-52mm Diameter.
- 6mm center hole.
- 3 rectangular or half-moon drive holes.
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GR9 (Group 9)
- Used by most Japanese machines after 1970, Hermes, some portable models from Royal and Underwood, and Olympias made for the US market.
- 51mm / 2" Diameter.
- 4mm center hole.
- Usually 1, 4, 6 or 8 round drive holes.
via u/Koponewt
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