Subject: Ministry of Supply Royal Ordnance Factories (Explosives): Manual for Foremen and Assistant Foremen Memo No 9 Donated by Assistant Foreman Wright, Nitroglycerine Acids
Description: Ministry of Supply Royal Ordnance Factories (Explosives): Manual for Foremen and Assistant Foremen Memo No 9 Donated by Assistant Foreman Wright, Nitroglycerine Acids
