The original cells come from a wide variety of sources and geographical locations.

There are still 8 of the original 14 cells with fully working locks, but its security record was poor to say the least.

Therefore one daughter cell is always smaller than the original cell.

But if that were true, where had they obtained the original cells?

The two original cells have been retained as unique bathrooms.

One of the original "dark cells" is still part of the basement.

A number of the original cells form part of the museum exhibits.

These are the original cells which were built in 1850 for single occupancy.

Eventually cross walls cut off the bud from the original cell.

When the two helices are copied, each will have one part coming from the original cell.