How do I get access to the Crypt?

Hint 1 of 8:

What have you found in the maze so far?

Hint 2 of 8:

The Miniature etching.  Have you examined it?

Hint 3 of 8:

It's a picture is the Folly.

Hint 4 of 8:

Did you look up Capability in the History?  His name was on the
plaque at the Viewpoint ledge.

Hint 5 of 8:

Well then you know that there once was a Folly on the ledge.

Hint 6 of 8:

What can you do with a playing (tarot) sized card?

Hint 7 of 8:

If you don't know, then your not ready for this puzzle.

Hint 8 of 8:

Use the Etching in the projector.