I am trying to find any information with regards to these items.
Cartridge 37mm Mk1 which I believe is a 37x136R round.
Pistol fuze No 75 Mk3
For the 37mm the info is as follows
length 8.7cm projectile
width 3.4cm
single driving band
3.2cm shoulder
bottom of the projectile reads as follows-TCPC lot 1089-42 37mm Mk1 Model of 1916
Cartridge 37mm Mk1 which I believe is a 37x136R round.
Pistol fuze No 75 Mk3
For the 37mm the info is as follows
length 8.7cm projectile
width 3.4cm
single driving band
3.2cm shoulder
bottom of the projectile reads as follows-TCPC lot 1089-42 37mm Mk1 Model of 1916