Looking for a specific transcript. Do not know how to gain access.
From the WorldCat entry this appears to be "archival" material which would not be eligible for an Interlibrary Loan.
I would suggest you contact the library directly and explain your research needs and they could best advise you.
Othmer Library of Chemical History
Chemical Heritage Foundation
315 Chestnut Street
Philadelphia, PA 19106-2702
Niles Public Library