Chapter IV: The Opposition to the Patents 92-112

Failure of attempts to obstruct use of Arkwright’s
machinery; Act (1774) reduces duty and removes
prohibition on printed calicoes, 92-93; patents
of Hargreaves and Arkwright challenged by manufacturers;
Hargreaves’ failure to uphold his
patent; his claim to invention of jenny questioned
by Guest; his later career, 92-97; Arkwright’s
characteristics; his association with Jedediah
Strutt; development of his concerns, 97-100;
infringements of his patents; fails to secure verdict
in law-suit (1781); Arkwright’s _Case_; requests
Parliament to consolidate his patents and continue
them until 1789; opposition of Manchester Committee
of Trade; secures verdict in second law-suit
(February, 1785); agitation in Manchester;
application for new trial; Thomas Highs’ claim to
invention of roller-spinning; Arkwright loses
verdict in third trial (June, 1785); application for
new trial refused (November, 1785); Arkwright’s
achievements, 100-112.