
The Following Table is dated 1888, the height of the old Gunpowder magazines before fixes ammunition became the norm. This gives the Magazines and their capacity in barrels.
Ordinance Store Department
Gibraltar 18th January 1888
Magazines
- Willis’s (old) 760
- Castle 4,462
- Flat Bastion 3,652
- Windmill Hill 7,539
- Prince’s Lines
Magazine 514
Bomb-Proof 1,200
Guard-room 200
North George (Gorge) 4,000
Levant Cave 1,900
Total 24, 227
Naval
- Sands 500
- Sandpit
Old 918
New 6,000
- Dutch 1,902
Levant Cave 1,900
Total 11,220