archives.northwestu.edu/handle/nu/30413 Wed, 22 Apr 2026 16:30:06 GMT 2026-04-22T16:30:06Z archives.northwestu.edu/handle/nu/30436 Chemistry Lab, 1964, photo 2 Students in Chemistry lab Wed, 01 Jan 1964 00:00:00 GMT archives.northwestu.edu/handle/nu/30436 1964-01-01T00:00:00Z archives.northwestu.edu/handle/nu/30435 Chemistry Lab, 1964, photo 1 Students in Chemistry lab Wed, 01 Jan 1964 00:00:00 GMT archives.northwestu.edu/handle/nu/30435 1964-01-01T00:00:00Z