1 teaspoon vanilla extract. 1 large egg. Lightly grease a doughnut (or muffin) tin and preheat the oven to 350F. Sift the flour, cocoa powder, baking powder and baking soda, and then whisk in the sugar, nutmeg and salt.
steam engine. An engine in which the energy of hot steam is converted into mechanical power, especially an engine in which the force of expanding steam is used to drive one or more pistons. The source of the steam is typically external to the part of the machine that converts the steam energy into mechanical energy.
Fulton became interested in steam engines and using them on steamboats in 1777 when he was around age 12 and visited state delegate William Henry of Lancaster, Pennsylvania, who himself had earlier learned about inventor James Watt, (1736-1819), and his Watt steam engine on a visit to England.