A retractable dive line apparatus can be held in the hand or clipped onto diving equipment. One end of the line can be clipped onto a dive flag or buoy at the surface and will let out or retract line as necessary.
RETRACTABLE DIVE LINE
2019-01-31
Patent
Electronic Resource
English
Dive, Dive, Dive - Submarines at war; by M. GUNTON
British Library Online Contents | 2005
|Dive brake of dive bomber Ju 87
Engineering Index Backfile | 1942
Dive Scapa Flow; Dive Palau: The shipwrecks
Taylor & Francis Verlag | 2018
|