Complex sentence: Gurney edited the ninth edition of his father Thomas Gurney's "Brachygraphy" in 1778; and printed reports of major contemporary trials from his official shorthand notes.
Split into simpler sentences: Gurney edited the ninth edition of his father Thomas Gurney's "Brachygraphy" in 1778. Gurney was known for printed reports of major contemporary trials from his official shorthand notes.