The Holland type, early submarines of various navies, are today's subject.
Read more about the ships here:
https://www.amazon.co.uk/Conways-Worlds-Fighting-Ships-1860-1905/dp/0851771335
https://www.amazon.co.uk/ALL-WORLDS-FIGHTING-SHIPS-1906/dp/0851772455
https://www.amazon.co.uk/U-S-Submarines-Through-1945-Illustrated/dp/1557502633
https://www.amazon.co.uk/John-P-Holland-1841-1914-Inventor-Submarine/dp/0870212729
https://www.amazon.co.uk/Submarine-Boats-Beginnings-Underwater-Warfare/dp/0851772889
Naval History books, use code 'DRACH' for 25% off - https://www.usni.org/press/books?f%5B0%5D=subject%3A1966
Free naval photos and more - www.drachinifel.co.uk
Want to support the channel? - https://www.patreon.com/Drachinifel
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Want to talk about ships? https://discord.gg/TYu88mt
'Legionnaire' by Scott Buckley - released under CC-BY 4.0. www.scottbuckley.com.au