![](http://www.alamy.com/thumbs/6/6B479B89-1C55-4A48-808D-43A335F99DC5/2F9C00C.jpg)
Gear system for regulating and controlling a weir at the mouth of the Oker into the Aller in Mueden, Germany.
Size: 5661px × 3774px
Photo credit: © Frank Heinz / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: aller, cast, connection, control, direction, energy, engine, engineering, gate, gear, germany, heavy, height, historical, industrial, industry, iron, level, machine, machinery, mechanic, mechanical, mechanism, metal, metallic, motor, mouth, movement, mueden, oker, plant, power, pressure, regulation, river, steel, technical, technology, tooth, transmission, water, weir, wheel