Vertical fire-tube boiler
A vertical fire-tube boiler or vertical multitubular boiler is a vertical boiler where the heating surface is composed of multiple small fire-tubes, arranged vertically.
Vertical fire-tube boiler, as used in a Leyland steam wagon
Submerged tube boiler
Stanley steam car boiler
A vertical boiler is a type of fire-tube or water-tube boiler where the boiler barrel is oriented vertically instead of the more common horizontal orientation. Vertical boilers were used for a variety of steam-powered vehicles and other mobile machines, including early steam locomotives.
Detail of vertical boiler and associated steam engine in a working model steam launch
Taffy a replica of Chaloner, a de Winton vertical-boilered narrow gauge railway locomotive
Swiss rack railway locomotive (built 1858) for operating on the steep slopes of Rigi
East London Harbour 0-4-0VB by Alexander Chaplin & Co.