Diver-Tender Communications

Please register or login

Welcome to ScubaBoard, the world's largest scuba diving community. Registration is not required to read the forums, but we encourage you to join. Joining has its benefits and enables you to participate in the discussions.

Benefits of registering include

  • Ability to post and comment on topics and discussions.
  • A Free photo gallery to share your dive photos with the world.
  • You can make this box go away

Joining is quick and easy. Log in or Register now!

Rich Keller

Contributor
Messages
3,373
Reaction score
1,248
Location
Long Island NY
# of dives
5000 - ∞
I found this tucked away in an old Healthways manual from the late 60s. I have never tried it myself but thought someone here might find it interesting. The scan came out better then the attachment here. If you like I can email a copy to anyone who is interested.
 

Attachments

  • SCAN0047.jpg
    SCAN0047.jpg
    53.8 KB · Views: 292
https://www.shearwater.com/products/perdix-ai/

Back
Top Bottom