This boiler was produced in 1836 at Motala Verkstad, Sweden for the Paddle
Steamer Eric Nordevall. These boilers didn't have tubes, but plate-ducts for
the exhaust gases to pass through the water space.
Fraser's Boiler from 1836 is very different from the
Carlsund boiler from 1846. There is no fire tubes nor flue
tubes. The boiler is between the James Watt's Wagon Boiler and the Carlsund