Category:Electromagnetic devices
From ETHW
File:Electromagnetic Devices National Park Services Electromagnetic detection instrument.jpg
A 1997 photo of an electromagnetic detection instrument, designed to locate rebars in concrete for quality control inspections - Image by Marie Ennis, P.E, the National Park Service, and Preservapedia.
Pages in category "Electromagnetic devices"
The following 8 pages are in this category, out of 8 total.
Media in category "Electromagnetic devices"
This category contains only the following file.
Henry Electromagnet 1020.jpg 560 × 480; 34 KB
