Complex sentence: The Mergenthaler Linotype Company, was founded in the U.S.A. in 1886 to market the linecaster invented by Ottmar Mergenthaler, Mergenthaler Linotype (pronounced) became the world's leading manufacturer of book and newspaper typesetting equipment.
Split into simpler sentences: The Mergenthaler Linotype Company, was founded in the U.S.A. in 1886 to market the linecaster invented by Ottmar Mergenthaler. The company's primary product, the Linotype (pronounced) became the world's leading manufacturer of book and newspaper typesetting equipment.