This printable word search puzzle on the topic of US History (General) contains 13 hidden words in a 17x17 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
thomas savery
paddle wheel
steam engine
one hundred
mine pump
air pump
Boulton
boiler
piston
thomas
train
boat
beam