I just don't know what to do next.

I pressured it up to 10 psi and held it for a few minutes. I watched for drips and saw nothing.

There is power to the coil.

I used a scouring pad to clean the points and contacts.

Put ground the lead of a test light and put the probe on the coil terminal with the primary wire going to the coil and crank the engine over. Does the light flash as the engine turns over?
So the distributor has not been removed or the housing has not been rotated any significant amount since it ran last before all this started? You replied “There is power to the coil” That is not the entire purpose of the test Jim requested you to make. Not good or bad, but I believe his technical terminology through you off a bit. The primary circuit of the coil is connected to both of the small terminal posts with the nuts on them. The secondary circuit is the one the coil wire plugs in. You were requested to ground the test light lead to an engine ground and then probe the primary circuit terminal on the coil that the wire coming distributor connects to. Then crank the engine and report if the test light flashes on and off as the points open and close. If it does check if you have a spark at the plug wire that will jump a 3/16” a 1/4” is actually ideal. This is what would be considered a “hot spark” A spark plug under compression takes more voltage to fire the gap as opposed to a spark in open air.
 

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