Entrance to Escape Shaft

Entrance to Escape Shaft

Appears to be air tight vents with something to do with the escape chamber behind and possibly part of the gas-proof protection system. (See close up next).
Ref:
hospital028
Date:
19/10/17
Location:
Parish of St Andrew's, GUERNSEY, Channel Islands
Photographer:
Entrance to Escape Shaft
Appears to be air tight vents with something to do with the escape chamber behind and possibly part of the gas-proof protection system. (See close up next).
Ref:
hospital028
Date:
19/10/17
Location:
Parish of St Andrew's, GUERNSEY, Channel Islands
Photographer: