Original U.S. WWII IS Navy DESCO Jack Browne Full Face First Model Diving Mask With Breather Bag Martini-Henry Parts Hand painted B-4 style garment

Hand painted B-4 style garment bag the Service-Pak by the American Products Corp in excellent condition with both sides painted

This example is in good service used condition

Tell tale ways to know this is not a genuine helmet:

but overall it still has a great patina

Original U.S. WWII IS Navy DESCO Jack Browne Full Face First Model Diving Mask With Breather Bag Martini-Henry Parts Hand painted B-4 style garmentOriginal Items: Only One Set Available. This is the mask that started it all. The Navy needed a lightweight utility mask for jobs where heavy gear wasn't necessary or practical. DESCO developed the Browne Mask to meet this need. The unique feature of the USN Mask was 3 way valve attached to the breather bag. The bag was intended to reduce air demand and ease breathing. It didn't function as well as hoped and eventually fell out of use. The "Jack