I recently acquired an IBM PC XT keyboard that had some strange key caps. I thought they might actually be remolded key complete key caps to replace most of the stepped keys. I imagine these were made because some people just didn't love the stepped key caps!
The key tops were made by Applied Dynamics and it turns out that they are just stuck to the top of the existing key tops. What I am more impressed is is not the actual key tops themselves but the sticky residue used that is STILL sticky! Amazing after 30 years. The legends on these key tops are engraved and you can see the Return key, being heavily used, has worn some but it's an interesting fix to something that was clearly a problem for some.
Thought this might be interesting with the attached one page document (with extra insert).
IBM PC Non-Stepped Cap Replacements
- alienman82
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removed.
Last edited by alienman82 on 02 Mar 2018, 03:01, edited 1 time in total.
- seebart
- Offtopicthority Instigator
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I want some too snuci! But matching IBM gray please. 

- livingspeedbump
- Not what they seem
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whoa! I've seen these before but never with the documentation. Fantastic find.
- ideus
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What was the "hot stamped"' method to print the legends on those tops?
I suppose the stepped keys help to cover wider areas than one unit while still did not require a stabilizers, but make the modifiers a bit harder to type on than contemporary full touch keys.
I suppose the stepped keys help to cover wider areas than one unit while still did not require a stabilizers, but make the modifiers a bit harder to type on than contemporary full touch keys.