This printable crossword puzzle on the topic of US History (General) has 20 clues. Answers range from 8 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
single wire telegraph
bottle opener
first practial lightbulb
steam engine
radio
revolving pistol
sewing machine
automobile
airplane
pc software
personal photography
submarine
calculator
piano
stethoscope
bicycle
computer
nike brand
glider
car