National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1850 1869
The Industrial Revolution is in full force, Gramme invents his dynamo and James Clerk Maxwell formulates his series of equations on electrodynamics.
Library of Congress
Loc: America's Story: First Transcontinental Telegraph System
Jump back in time to October 24, 1861, when the first transcontinental telegraph was completed, thus hastening the end of the Pony Express.