Defoe Shipbuilding Company as a Presidential Yacht. It was called the "Barbara Anne" by President Eisenhower after his granddaughter, the "Honey Fitz" by President Kennedy in honor of his maternal grandfather John Francis Fitzgerald, and the "Tricia" by President Nixon after his daughter. In 1941, the name of the company was changed to Defoe Shipbuilding Company. During World War II, all production went to the war effort. From 1939 to 1945, the company built 154 ships, including four s, 13 destroyer escorts, 11 destroyer transports (converted destroyer escorts), patrol craft, and numerous landing craft of various types. The brand-new Defoe family yacht even
Henry Fitz less expensive than comparable instruments from Europe. Manufacturing locally in the United States instead of Europe was an important factor in the proliferation of observatories in the nineteenth century in America. Fitz contributed considerably in the development of astronomical photography. Making telescopes and related astronomical components was a labor of love for him. Often he would be found working after midnight. He was the best known American maker of telescopes and achromatic instruments before the Civil War. Fitz was in partnership with Wolcott and developed a patented Daguerrotype camera. They had a photographic studio in Baltimore in 1841. Fitz invented