'Edison built' presentation slideshows

Inventions

Inventions. Chapter 19 Section 2. The Telegraph Samuel F.B. Morse introduced the Telegraph in 1844. By 1860 the U.S. had thousands of miles of telegraph lines. In 1866, a telegraph cables was laid across the Atlantic Ocean, which brought Europe and the U.S. closer together. The Telephone

116 views • 6 slides