Complex sentence: The engine's cycle of operations including sectional drawings, indicator diagrams (for both gas and petroleum fuelled versions) and details of the way the liquid fuel was introduced are described over 11 pages of Dugald Clerk's book "Gas and Oil Engines".
Split into simpler sentences: The engine's cycle of operations including sectional drawings and indicator diagrams for both gas and petroleum fueled versions. Details of the way the liquid fuel was introduced are described over 11 pages of Dugald Clerk's book "Gas and Oil Engines".