HMS Indestructible: Unlocking the bloody history of the ship made famous by Turner, the Fighting Temeraire
Very interesting article/book excerpt/review of the book The "Fighting Temeraire" by Sam Willis. Covering the Battle of Trafalgar, it begins to give you a taste of just how bad the conditions could be for these brave fighting men in that day and age.
The article includes a detailed cutaway drawing of the ship. If you are interested in the book: