Two different exhale valve casing covers has been made, one notched, as shown on the above picture, the second, round sleek cover, as shown below
| S.A.BELGE L’ ANTIGAZ Type AG 15 Civilian Defense about 1934 | |
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This
mask is a very close design of the Bergougnan BB mask
Two different exhale valve casing covers has been made, one notched, as shown on the above picture, the second, round sleek cover, as shown below |
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Two models of six points head harness head harness have been made,the most common is a spring straps one, as shown an the above pictures, and the second is made of rubber straps, as shown below. |
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Rubber harhess model |
| BERGOUGNAN Moddel BB ( Civilian Defense ) | |
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This
flat moulding design mask is very close to some Italian masks
The thick rubber facepiece has not Tissot vents but has a shaped sponge rubber pad around the nose to avoid the mist on the glass eyepieces. The Triplex glass eyepieces are thightened on the mask by crimped rings. Gelatine screens must be mounted on the inside of eyepieces and secured by ring clamps The aluminium moulded frontpiece casing has a standarddized Belgium 25 mm diameter filter threading and includes the exhalation valve with a large grid cover. The six points head harness is made of spring staps. The mask is carryied in a cylindrical can completed by a shoulder strap. |