Yes, but im not sure of procedure to reserve one. But I did watch them bring one out for a woman ahead of me in the entry line. As someone else said perhaps you request it with your ticket.
It is wheelchair accessible but you might need to bring your own.
No, i didn't see any available. But the museum is wheelchair accessible.
Maybe
They have a few. I think you can annotate it when you get your tickets. The when you get through security, let them know.
I believe they do.
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