Iron concretion, upon inspection this could be a pair of leg irons from the brig

A full view of the leg irons on a bar or a prisoner bar

Fletcher measuring two blocks

Granite block being raised

The concreted swivel cannon appears

The wrought breach loading swivel cannon next to a lashing pin

The swivel cannon was lashed to a support board an then raised and towed to the shallows

Looking at the top of the swivel cannon

The final lift to the boat

The barrel was uncovered over 1 meter below the keel

A wooden barrel found on site

The breach block clearly visible from the underside

Side profile, the tiller arm clearly vissable

The barrel was almost two meters in length and contained blue flints

The wooden staves were in excellent condition

A spare wooden stave was found with writing on it $1. Interesting to note that the $ was created with a compass to ensure proper part circles