Example image of eyePlorer eyePlorer map for 'Top (sailing ship)': Square rig Crow's nest Futtock shrouds Crosstrees Jacob's ladder (nautical) Naval artillery in the Age of Sail Battle of Trafalgar French ship Redoutable (1791) Horatio Nelson, 1st Viscount Nelson Musket Rifle Sniper Spreader (sailboat) Topmast Lookout Richard Hall Gower Shroud (sailing) French ship Achille (1803) Bouvines class coast defense ship Battle of Les Espagnols sur Mer Dawn Treader Top (disambiguation) Original six frigates of the United States Navy