Today we take a look at how the Royal Navy developed ASDIC/Sonar, with a little help from the French!
Sources:
A Brief History of Active Sonar - D'Amico and Pittenger
Underwater acoustics : analysis, design, and performance of sonar - Richard P Hodges
https://www.amazon.co.uk/Seek-Strike-...
https://www.amazon.co.uk/Anti-Submari...
https://www.amazon.co.uk/Royal-Navy-A...
https://www.amazon.co.uk/Britains-Ant...
Naval History books, use code 'DRACH' for 25% off - https://www.usni.org/press/books?f%5B...
Free naval photos and channel posters - www.drachinifel.co.uk
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'Legionnaire' by Scott Buckley - released under CC-BY 4.0. www.scottbuckley.com.au