Sentence Examples with the word Rohr

The town of Bitsch, which was formed out of the villages of Rohr and Kaltenhausen in the 17th century, derives its name from the old stronghold (mentioned in 1172 as Bytis Castrum) standing on a rock some 250 ft.

Von Rohr showed that for systems fulfilling neither the Airy nor the Bow-Sutton condition, the ratio a' tan w' la tan w will be constant for one distance of the object.