Henry Heathcote

• Treatise on stay-sails, for the purpose of intercepting wind between the square-sails of ships ...
• Treatise on Stay-Sails, for the Purpose of Intercepting Wind Between the Square-Sails of Ships and Other Square-Rigged Vessels, Mathematically ... Invented by Captain Sir Henry Heathcot
• Treatise on Stay-Sails, for the Purpose of Intercepting Wind Between the Square-Sails of Ships and Other Square-Rigged Vessels, Mathematically Demonstrating the Superiority of the Improved Patent Stay-Sails, Recently Invented by Captain Sir Henry Heathcot