Funnel down

Very handy if you want to pass low bridges

ADELAAR.
Hull: Built 1925 by N.V. werf Hubertina v.h W.H. Jacobsachinefabriek, Haarlem Holland. Gross tonnage 20 ton. Length 20.10 m. Beam 5.10 m. Draft with 15t. coal 2.00 m.
Steam Engine: Triple expansion with Stephenson reversing gear, surface condenser built by Hubertina v.h. W.H. Jacobs, Haarlem Holland. High pressure cylinder 200 mm. Intermediate pressure cylinder 320 mm. Low pressure cylinder 530 mm. Stroke 300 mm. Revolutions per minute 200 rev/min. Generated horsepower 150 i.h.p.
Boiler: 1 furnace Scotch coal-fired, built by I.A. Kreber, Vlaardingen Holland. Operating pressure 12 kgm (atu) Length 3 m. Diameter 2.60 m. Heating surface 74 m²
Home Port: Beverwijk Holland.
source: www.stoomvaart.nl