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Restoring an Apple IIc
#31
RE: Restoring an Apple IIc
As always, excellent work!
RetroGamerFred
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08-09-2025, 08:13 PM
#32
RE: Restoring an Apple IIc
Hope your last longer but my apple IIc only took a year to become yellow again after getting the peroxide treatment.
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08-10-2025, 01:52 AM
#33
RE: Restoring an Apple IIc
(08-09-2025, 08:13 PM)RetroGamerFred Wrote:  As always, excellent work!

Thanks! Smile

(08-10-2025, 01:52 AM)soviet Wrote:  Hope your last longer but my apple IIc only took a year to become yellow again after getting the peroxide treatment.
I

I don't mind it it starts to yellow a bit over time, as long as the yellowing is uniform, which it wasn't in this machine's case. (I don't allow direct sunlight into my home and my home doesn't get extremely warm, so this will be a good test case. )
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08-10-2025, 07:08 AM
#34
RE: Restoring an Apple IIc
The last stretch for now!

[Image: 1124F0DC-E0FD-4DE7-85F3-AE51C1B30B83.jpg?m=1754821205]

[Image: 4F61174B-0690-46E4-8C3C-956B74EB22A3.jpg?m=1754821209]

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[Image: 47AAF974-C5DB-47CB-94B2-E9DF2F19B5EC.jpg?m=1754821218]
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08-10-2025, 10:21 AM
#35
RE: Restoring an Apple IIc
And it's done! Smile

[Image: 00C54545-33A5-4A3C-A347-C2302FBEFF46.jpg?m=1754835953]

[Image: 7BCAB971-0248-493F-A88E-9FF7B75C2AC4.jpg?m=1754835958]

[Image: EA41C583-2F14-45E1-BC1F-09C51CDD241D.jpg?m=1754835963]
The most remarkable thing here is that the “indirect method” that I’ve been using on the power supply brick has worked well! (I think one or two more treatments will do it!)

[Image: EBF36E47-49E1-4937-ADD9-E111302E5A55.jpg?m=1754837617]

[Image: D236362C-146F-4DB7-B222-945A2F386F49.jpg?m=1754837620]
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(This post was last modified: 08-10-2025, 02:54 PM by Irinikus.)
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08-10-2025, 02:27 PM
#36
RE: Restoring an Apple IIc
Using an optimised version this process you may be able to dry retrobright complete machines without having to disassemble them!
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08-10-2025, 03:31 PM
#37
RE: Restoring an Apple IIc
Hopefully this is the last stretch for the Power Supply Brick!

[Image: 530565100_3088513177990651_9888025517092...1754897866]

[Image: 532206366_3088513124657323_7403896765101...1754897884]

[Image: 530673014_3088512987990670_7284386087657...1754897888]
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(This post was last modified: 08-11-2025, 07:43 AM by Irinikus.)
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08-11-2025, 07:40 AM
#38
RE: Restoring an Apple IIc
The final before and after shots:

[Image: DF01B12C-712D-45C9-9C70-C58298DD190B.jpg?m=1754909723]

[Image: B9019BB4-1FF7-4A8F-B2C6-7B3981672242.jpg?m=1752733913]

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[Image: F2341807-2068-49B9-A510-670F7CDA1876.jpg?m=1752733898]

[Image: 991AB74D-6C51-41BD-B485-73E4D6912C06.jpg?m=1754909737]

[Image: 6DEEA898-502D-4F24-A1E9-C1A5DDE84FBD.jpg?m=1752733908]
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Irinikus
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08-11-2025, 10:57 AM
#39
RE: Restoring an Apple IIc
Well I'll just do what I always do, which is yank the thread right off-topic: I used to work for what was then one of the largest hydrogen peroxide manufacturers in the world, FMC Corporation. Link: http://www.fmc.com

Back on thread: Irinikus your process turned out so great, nice work!
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(This post was last modified: 08-11-2025, 09:13 PM by vishnu.)
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08-11-2025, 09:08 PM
#40
RE: Restoring an Apple IIc
(08-11-2025, 09:08 PM)vishnu Wrote:  Well I'll just do what I always do, which is yank the thread right off-topic: I used to work for what was then one of the largest hydrogen peroxide manufacturers in the world, FMC Corporation. Link: http://www.fmc.com


Cool! What do they use Hydrogen Peroxide for in agriculture?


(08-11-2025, 09:08 PM)vishnu Wrote:  Back on thread: Irinikus your process turned out so great, nice work!

Thanks! 😃
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(This post was last modified: 08-12-2025, 04:13 AM by Irinikus.)
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08-12-2025, 12:41 AM
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