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Latitude 50° 18.446 N
Longitude 004° 06.413 W
Accuracy 500m
Object Type Gun
Material Cast Iron
Description Heavily encrusted with marine growth. Lying on a shelf of rock hidden by kelp. One trunnion hidden.
Markings

No visible markings

Gun attitude Inverted
Condition Good, concreted
Completeness 100%
Number of items 1
Location Description SE of Great Mewstone

Cannon (13A51)

This cannon was found on the seabed south east of the Great Mewstone in 2013 by the SHIPS Project team. The gun may be associated with the Mewstone Cannon Site but is far enough from that site to be from a different wreck. The gun was found on a rock ledge hidden by kelp, it is heavily concreted to the seabed and difficult to measure accurately.

Base ring to muzzle

1890mm (6ft 2in)

Overall length

2110mm (6ft 11in)

Base ring diameter

460mm?

Base ring to trunnion CL

790mm

Trunnion offset

170mm

Trunnion diameter

120mm

Bore

Unknown

Muzzle swell diameter

260mm

Trunnion width - distance between faces

Unknown

 

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Images

 

References