In 1816, just four years after the Comet commenced her role as the pioneering steamboat on the Clyde, David Napier had a small steamboat built for himself. He named his little boat Marion, after his wife, and for just over a year she was well known on the Clyde, sailing to Greenock and Helensburgh. Her advantage was that she had a shallow draft and could sail at any state of the tide to provide a regular and reliable service. “The Marion steamboat will commence sailing to-morrow for Greenock and Helensburgh, and every lawful day at 8 o’clock morning) and on Saturday evening at 6 o’clock. Will leave Greenock for Glasgow at 2 o’clock every afternoon, and on Monday morning at 4 o’clock.  Those intending to go by the Marion will require to be on board by the hour fixed, or they will lose their passage.  From her draught of water she is enabled to sail at all times of the tide, and will...