Abraham Darby figured out how to make iron thinner. His iron was used to build the first iron arch bridge. Coke is a grey, hard, and porous fuel source according to Wikipedia. The coke-burning blast furnace drove to the Industrial Revolution which dramatically changed the western world after 1800.
Thomas Savery built and patented a steam pump in 1698. It was also used to power other tools and machinery. Steam engines perform mechanical work.
Newcomen was born in Dartmouth in 1663. He improved Savery's engine. His job supported his preaching. The first Baptist preacher was John Smyth in 1602. The Baptists appeared in England in the 1600s.
The Octant could be used day or night. Sailors used the octant and the sextant. It overtook the instruments market by 1780.
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