Across
- 3. an American artist and inventor, he applied scientists’ discoveries of electricity and magnetism to develop the telegraph, which soon sent messages all across the country.
- 6. American inventor, he patented an improved sewing machine, and by 1860 was the largest manufacturer of sewing machines in the country.
Down
- 1. a system developed by Alfred Lewis Vail for the telegraph that used a certain combination of dots and dashes to represent each letter of the alphabet
- 2. American inventor and industrialist, he invented the mechanical reaper and harvesting machine that quickly cut down wheat.
- 4. a machine perfected by Samuel F.B. Morse in 1832 used pulses of electric current to send messages across long distances through wires.
- 5. American industrialist, he developed a steel plow to ease the difficulty of turning thick soil on the Great Plains.