11. In the 1930s, coffee machines produced steam and hot water by burning wood or coal beneath a vertical boiler . 12. The boiler was replaced by a Clayton cross-tube vertical boiler in 1976, and replaced again in 2001. 13. This was another four-wheel vertical boiler locomotive but of a much more modern design than the one it replaced. 14. It has a vertical boiler and was similar to four locomotives that later worked in the docks at Falmouth in Cornwall. 15. Several other vertical boilers , such as the Straker, had similar arrangements for lifting their shells off the tube nest. 16. This actually represented one of the boiler's main advantages, compared to vertical boilers with multiple fire-tubes. 17. This firebox construction was not dissimilar to some types of vertical boiler , but this was only part of Ericsson s design. 18. The Merryweathers worked with the engineer Edward Field to fit his design of a vertical boiler onto a horse-drawn platform. 19. Forward of the engine room was the auxiliary boiler room that was equipped with a pair of Riley vertical boilers rated at. 20. In 1880 John Spiller built a five kilometre line on his River Estate plantation and worked it with a locally built vertical boiler engine.
