by Jan Willem Bech | Database OX UK
gb Proton rebreather (experimental?) The Siebe Gorman Proton breathing apparatus has the characteristics of a semi-closed system that works with oxygen and a diluent gas or with nitrox. The device would then belong in the semi-closed database. However, there is...
by Jan Willem Bech | Database OX UK
gb OXYLET SMALL EMERGENCY APPARATUS(R. H. DAVIS’S Patent) Figure 1 shows a small, self-contained breathing apparatus for short emergency use in poison gas or underwater. This apparatus includes a watertight breathing bag with a “Protosorb” CO₂...
