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 .
What did Sir William Thomson's tide-predicting machine use to function?
What did Sir William Thomson 's tide - predicting machine use to function ?
system of pulleys and wires
system of pulleys and wires