Ebook: Tech Diving Magazine n°4

The fourth issue of Tech Diving Mag is available for download at http://www.techdivingmag.com/

Content:

• An anatomy of a diving lawsuit 
• Accelerating no-fly time: the final chapter 
• Making the case for support divers 
• The wreck of Audace 
• Diving Pionneers & Innovators: A Series of In Depth Interviews (Bob Hollis) 

For more technical diving publications see this blogpost.