BS1362 Cartridge Fuses.
These are BS1362 cartridge fuses, as used in BS1363 plugs and various other things such as fused spur boxes.
Note how the metal end caps are split - either due to age, or just shoddy manufacturing.
Made in England.
The red/brown marks on the box are rust, from where this box of fuses was stored in a rusty old tin.