A Sophisticated Marine Steam Engine Without Cranks: Part 2

As a complementary HD information to my first video about this engine here are some details for better understanding its way of working. Here a part of the original description: This is the authentic demonstration model, constructed in London about 1870 by Mr. George Shott (of Messrs. John Penn and Sons) with the assistance of his two sons George and William Nesbitt Shott to show the operation of his proposed cylindrical-cam form of marine engine. The model shows two cylinders 36 in. (91.4 cm) diam. by 1