It is currently operated as a private museum which may be visited by prior appointment.

Teachers, students, or other groups are welcome to visit the reactor with a prior appointment.

"You're just in time," he said as though there had been some prior appointment.

Perhaps he had a prior appointment to rip someone's ribs out.

Other than during public functions, visits need to be arranged by prior appointment.

The museum is not generally open to the public, except by prior appointment or with a tour guide.

It is usually let to a tenant and some rooms can be seen by prior appointment.

In winter, open Sunday, 1 to 3, or by prior appointment.

However, she has a prior appointment and refuses to listen to him.

"I have a prior appointment," he said, glancing at the calendar by the phone.