Meredith Scanlon will tell us how they have surveyed the sea floor beneath our familiar sailing waters; and how the survey methods have changed in our lifetime. She is the Surveyor for Harwich Harbour Authority.
Date: Thursday 21st January 2021 at 13:30.
The Talk on Zoom: You will be able to join us from anywhere you can get online, using your PC, laptop, tablet or smartphone, and enjoy the talk and see any illustrations.