Ingenium : five machines that changed the world /
Denny, Mark,1953-
Baltimore, Md. : Johns Hopkins University Press,
2007.
Bow and arrow -- Waterwheels and windmills -- Counterpoise siege engines -- Pendulum clock anchor escapement -- Centrifugal governor -- Inventiveness.
Includes bibliographical references and index.
Inventions
Machinery
Force and energy