Model of a Tubular Boiler; Model of a tubular or pipe boiler with extendable chimney. For the model two doors to the smoke box in the middle and two for the ovens on the sides. The model has ninety-eight fire tubes. On top of the boiler a separate chimney with an extendable part; which is operated with two levers (now defective); and a separate steam hood with a manhole. At the bottom of the boiler model you can see the mud holes for keeping the boiler clean. The connections for the steam pipe and other pipelines have been omitted on the model; Vuurpijl (ship); anonymous; Netherlands; 1853; brass (alloy); h 15 cm x w 13 cm x d 18.5 cm