|
Post by cnotthoff on Aug 7, 2020 10:38:17 GMT -8
I built this many years ago. Now I use a magnahelic to test second stage breathing resistance. Would this be of use to any of you? Good Dives, Charlie IMG_1919 by Charlie will, on Flickr
|
|
|
Post by vance on Aug 10, 2020 16:59:56 GMT -8
I would be interested. LMK, bro.
|
|
|
Post by herman on Mar 5, 2021 3:43:06 GMT -8
|
|