Fresno County - Survey Map, 1891 - Historical Atlas Print Size:44in x 44in Air France

Air France

and the east-west position of a ship was calculated using a variety of methods including astronomical observations (comparison of the time on ship of a predictable astronomical event with the time it would have been visible at a prime meridian) and maritime clocks (the use of two clocks

and railroads from the Iron & Steam Era

Financial District

and South Australia

Fresno County - Survey Map, 1891 - Historical Atlas Print Size:44in x 44in Air FranceMade to order print of Fresno County Survey Map, 1891. A historical map reproduction showing property sections, railroads, and canals for wall art, offices, studies, and collectors.