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Art and science Energy Results
Invention and design distinguished
The geometry of a device
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able achieve action activity appearance applied arrangement avoid beam believe better building called carry Chapter characteristics choice colour components condition consider constraint constructing cost course Crown copyright depends desired determining device direction drawing easy economy effect energy entirely essential principle example experience fact flat follows forces fulcrum function geometry give given hand idea important impossible influence intended result invention involved kind least less lever limitations London look machine maker material matter means mechanical memory mode move nature nearly never objects particular perhaps pieces possible produce properties reason referring requirements response Science Museum seen shape shift ship similar simply skill sort space squared standard steel stone suppose surface technique things thought tool turn useless wasting wish workmanship