History
More about HMS Colossus
Post-wrecking history
Events on the wreck since 1799
Start the dive trail
View 3D model & dive stations
Dive trail plan
2D plan of wreck & Dive Trail with video
3D multibeam sonar survey
View the sonar survey in 3D
Dive videos
Go on a guided dive tour of the wreck
Dive slate
PDF download to print
Two unusual lead objects
19th century diving on Colossus
Deadeye and chains
Deadeye complete with iron chains
The empty gun port
How the wreck changes through time
Any old iron?
Identifying parts of an anchor
News & contributions
Latest updates & dive photos
Add your own photos & videos
Contribute via social media & email
Glossary
Technical terms explained
About
More about this project
CISMAS
This project was undertaken by CISMAS – Cornwall and Isles of Scilly Maritime Archaeology Society

Commissioned by

Blomefield

Thomas Blomefield was the Inspector of Artillery from 1780.