Fail:CMU Hamerschlag Hall.jpgDescriptionCMU Hamerschlag Hall.jpg Hamerschlag Hall is one of the principal teaching facilities of the Carnegie Institute of Technology Date 25 September
Fail:CMU Hamerschlag at night.jpgDescriptionCMU Hamerschlag at night.jpg English: Hamerschlag hall at Carnegie Mellon University at night. Date 24 January 2016, 03:22:00 Source Own work