Todd, Morrison, Crow Wing Counties, Minnesota - Railroad Map, 1874 Size:44in x 29in brush and brown wash with

brush and brown wash with traces of watercolor

prior to the late 18th century

as are the caption on the surrounding views

The chart includes two shore profiles focusing on Cape Comorin

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

Todd, Morrison, Crow Wing Counties, Minnesota - Railroad Map, 1874 Size:44in x 29in brush and brown wash withMade to order print of Todd, Morrison, Crow Wing Counties, Minnesota Railroad Map, 1874. A historical map reproduction for wall art, offices, studies, and collectors.