History of Submarine Products Ltd.

https://www.dropbox.com/s/88yg2g6h093cc8j/Seal%20Lion-1.pdf?dl=0

Catalog of Products

https://www.dropbox.com/s/78bkaysoxsszug0/Submarine%20Products%20Ltd%20-%20Diving%20Catalogue.pdf?dl=0

SEA LION MK1 Circa 1957

https://www.dropbox.com/s/jludczd5vbbbhnb/Sealion%20MK1.pdf?dl=0

MK11

Single Hose system by Submarine Products LTD