22µF Electrolytic Capacitors

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Philips 015

From a photo of a real pre-NTI Apple-1.
22µF  25V.
Total # on board: 5.  On pre-NTI boards there are always 5 of these blue Philips caps.

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Philips 015

From another photo of a real pre-NTI Apple-1.

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Siemens

From a photo of a real NTI Apple-1.
22µF  25V.
On many NTI boards there is a mix of Siemens and Philips 22µF caps, with the majority usually being the Siemens.

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Siemens

From another photo of a real NTI Apple-1.

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Philips 015S

22µF  25V. These are very close to being the right period-correct part. Unused.

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Philips 030BB

22µF  40V.
Same size and color as the 015, so this is a good option for a substitute. Unused.

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Philips 021KJ

22µF  63V.
These are similar in color and size as the 015, so they could also be a good substitute.  Unused.

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Siemens

22µF  25V.
1977 date code. Close to being the right period-correct part. Unused.