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Arc Light
invented by Humphry Davy in the first decade of the 1800s, was the first practical electric light. -
Electromagnet
William Sturgeon was an English physicist and inventor who made the first electromagnets, and invented the first practical English electric motor. -
Manned Glider
The first manned glider seemed to have malfunctions but was ended up being used anyways. -
Torpedo
Robert Whitehead invented the modern self-propelled torpedo in 1866. -
Telegraph
The telegraph revolutionized long-distance communication. It worked by transmitting electrical signals over a wire laid between stations.