The tide-predicting machine invented by Sir William Thomson in 1872 was of great utility to navigation in shallow waters. It used a system of pulleys and wires to automatically calculate predicted tide levels for a set period at a particular location.
The tide - predicting machine invented by Sir William Thomson in 1872 was of great utility to navigation in shallow waters . It used a system of pulleys and wires to automatically calculate predicted tide levels for a set period at a particular location .
Who invented the first tide-predicting machine in 1872?
Who invented the first tide - predicting machine in 1872 ?
Sir William Thomson
Sir William Thomson