Preliminary studies
Subtitle: for H.M. Factory, Gretna, and study for an installation of phosgene manufacture.
Publisher: H.M.S.O.
Published: 1919
Place of publication: London
Language: eng
Number of pages: 145
Subjects: Explosives; Phosgene
Notes: At head of title: Ministry of Munitions.  Department of Explosive Supply.