Early steam boilers, with three dome-ended cylinders, the lower two full of water and exposed to the fire, the upper one acting as a steam drum. These were popular in France and Belgium, uncommon elsewhere.
Media in category "Elephant boilers"
The following 3 files are in this category, out of 3 total.
- Elephant boiler, Beeleigh Mill.jpg 415 × 640; 117 KB
- French elephant boiler, side view (Molesworths, 1883).jpg 504 × 187; 23 KB
- Mehrfacher Walzenkessel.jpg 2,000 × 1,064; 158 KB