OP 1664 - U.S. Explosive Ordnance (Vol. 1); Part 1 - Projectiles, Propellants, and Projectile Fuzes; Chapter 3 - Projectile Fuzes; Section 6 - Base Fuzes for Projectiles: Base Detonating Fuze Mk 9 Mod 2
German WW2 cut away navy base fuze Kriegsmarine 88mm 105mm 1940 not shell | #831884885
MOTIS Ordnance Category
OP 1664 - U.S. Explosive Ordnance (Vol. 1); Part 1 - Projectiles, Propellants, and Projectile Fuzes; Chapter 3 - Projectile Fuzes; Section 6 - Base Fuzes for Projectiles: Base Detonating Fuze Mk 13 Mods 0-7
USNBD, Rockets and Fuzes; Base Fuze Mk 31
Artillery fuze - Wikiwand
Fuze Base - Precision Plus
CAT-UXO - Ktd 2 fuze
File:No. 11 large base percussion fuze Mark IV diagrams 1905.jpg - Wikimedia Commons
Handbook of Enemy Ammunition, Part 12; German Base Fuze Bd.Z. 5127