See the technology that made America! Exciting exhibits and displays the whole family will enjoy. Tour the farm exhibits, the award-winning Cream Hill Agricultural School and the Diebold Tractor Barn housing a large collection of early tractors and other equipment. See the exhibits of internal combustion engines showing the development of small and large gas and diesel engines from one-lungers to impressive prime movers, and don’t miss the Oil Field Pump House with its two oil wells. Discover the Mining Museum and why Connecticut was considered the cradle of our country’s mining industry. Enjoy the beauty of Connecticut’s minerals. View displays of the many types of mining operations. Relive an age when steam trains carried passengers and freight. Our railroad exhibit includes different types of equipment from many narrow gauge railroads. Learn from our exhibit of stationary steam engines how these dinosaurs of the Victorian age replaces waterpower until they too were replaced by electricity. See the powerful engines that ran our industry.