This vintage MSA Chemox Oxygen Breathing Apparatus Mask Bureau Of Mines 1307 with case is a must-have for any collector fascinated by the evolution of mining equipment. The mask is an authentic piece of history that was used in the 1930s and is still in good working condition.

The mask is a rare find and comes with the original case, making it an excellent addition to any collection. The mask is made of durable materials and features a robust design that was made to withstand harsh conditions. It is a rare piece of equipment that represents a significant chapter in the history of mining.