Sollenberger, Witmer, Hess Use your ID card for access at any time. Philadelphia Follow the lab's posted hours. The labs will be closed during holidays and college breaks. The labs will not be open evenings or weekends during the summer. However, during the summer school sessions the labs may have extended evening hours.
Summer is also the time when new equipment arrives.
Therefore, expect periods of inconveniences during new hardware installation. The lab hours are subject to change without prior notice. Follow the library's normal operating hours. Access will be granted to validated college ID cardholders via the external electronic security door whenever the library is normally closed. This lab will normally remain closed but may be opened during times when another lab is needed.