Vance Harlow's Oxygen Hacker's Companion,,,new 4th edition

[aquadog196]

Vance Harlow's Oxygen Hackers Companion 4th edition.
By Airspeed Press.
Like New ...only one very small smudge on cover.
The complete and unauthorized sourcebook on the handling and use of oxygen, nitrox, and trimix.
$20.00 ... $25.00 if shipped

http://www.airspeedpress.com/newoxyhacker.html

[aquadog196]

SOLD, Thanks