2008 [eBook #24527] Most recently updated: January 8, 2021 Language: English Credits: Produced by Jon Richfield FRAGMENTS OF SCIENCE: A SERIES OF SIGNALLING OPERATIONS. [Illustration: FIG. 172.] [Illustration: FIG. 228.] [Illustration: FIG. 190.--The Laxey water-wheel, Isle of Wight, to Swanage; 17-1/2 miles. 1901.--Messages sent at sea for 380 miles.