![Scotch single ended return tube marine boiler (c. 1870). Model scale 1:12 in card by Sidney Poore | Science Museum Group Collection Scotch single ended return tube marine boiler (c. 1870). Model scale 1:12 in card by Sidney Poore | Science Museum Group Collection](https://coimages.sciencemuseumgroup.org.uk/images/396/782/medium_SMG00182530.jpg)
Scotch single ended return tube marine boiler (c. 1870). Model scale 1:12 in card by Sidney Poore | Science Museum Group Collection
What is a 'Scotch Boiler'? I thought scotch boilers were fire-tube, but I just saw a diagram on here that seems to imply a water-tube design. What gives? - Quora
![Triple furnace, superheated scotch boiler used to supply the steam for the main engine. - Picture of SS Explorer, Edinburgh - Tripadvisor Triple furnace, superheated scotch boiler used to supply the steam for the main engine. - Picture of SS Explorer, Edinburgh - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/1b/4d/dc/e0/the-top-of-the-triple.jpg)