Positive Pressure powered respirator MK5 (to BS 4558 and 4771) Serial No.500658, by Martindale Protection Limited, Neasden, London, England, 1975-1981 Positive Pressure powered respirator MK5 (to BS 4558 and 4771) Serial No.500658 1975-1981
Waistbelt, for battery powered motor fan unit, by Martindale Protection Limited, Neasden, London, England, 1975-1981 Waistbelt, for battery powered motor fan unit 1975-1981
Positive Pressure powered respirator MK5 (to BS 4558 and 4771) Serial No.500658, with battery powered motor fan unit on a waistbelt, by Martindale Protection Limited, Neasden, London, England, 1975-1981 Positive Pressure powered respirator MK5 (to BS 4558 and 4771) Serial No.500658 1975-1981