The Allegheny Observatory
I recently had an interesting visit to the Allegheny Observatory, initiated by a request from Pitt Professor David Turnshek for some advice from the School of Engineering regarding mechanical problems with one of the observatory’s large rotating domes. After reviewing the resumes of a number of engineering professors in the department, he concluded that Professor John Sebastian was his best bet for a contact. Professor Sebastian referred the request to me, with the comment “Looks like it’s right up your alley!” And, he was right, or at least would have been fifty years ago when I was heavily involved with…