29 mm. spigot mortar
Subtitle: (Blacker bombard)
Publisher: Gale & Polden limited
Published: 1944
Place of publication: Aldershot
Language: eng
Number of pages: 32
Subjects: Mortars (Ordnance)
Other titles: Spigot mortar.; Blacker bombard.
Notes: Cover-title: Book of the Blacker bombard.