Mokyr 5

Mokyr wants to redefine the industrial revolution--the key is not economic growth but accelerating technological change

Steam engine:

waterwheels also saw significant improvements in efficiency and theory

the key bottleneck in iron-making was producing wrought iron--less brittle than cast iron


Machine tools

Gas light
first street lit by gas

Flight via hot air balloons

technology dramatically reduced the cost of existing products: 85% for cotton between 1780 and 1850
much of the necessary scientific knowledge existed 150 years earlier, but not the skills
the incentives were high enough for people to spend years developing a machine before it could be manufactured and sold