Some pictures of the devices in the Public Works Department Laboratories
View the embedded image gallery online at:
https://engfac.mans.edu.eg/en/unit-and-centers/4872-2019-11-28-10-39-33#sigProId1d6b23aa24
https://engfac.mans.edu.eg/en/unit-and-centers/4872-2019-11-28-10-39-33#sigProId1d6b23aa24