⚠️ ALERT⚠️
The Library building is temporarily closed. Library staff and some services have been relocated to the 4th and 5th floors of the Howe Center.
Visit the following link for services and hours available at Howe: Library Support and Services During Summer Closure.
Standard Electrical Current Symbols
Credit: Sheila Terry/Science Photo Library / Universal Images Group
Rights Managed / For Education Use Only
From Encyclopedia Britannica Image Quest