. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and '20 : by order of the Hon. Calhoun, sec'y of war: under the command of Major Stephen H. Long. From the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party. Indians of North America; Discoveries in geography; Indians of North America. XX Astronomical and Meteorological Records^ £sPc. Equal altitudes of Sun to find error of Time-piece, (pocket chrono- meter,) at noon. Time from Noon, Time from Noon, Error of Time- P. M. Dec. 3, piece. 5' 23" 24'" fast.
. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and '20 : by order of the Hon. Calhoun, sec'y of war: under the command of Major Stephen H. Long. From the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party. Indians of North America; Discoveries in geography; Indians of North America. XX Astronomical and Meteorological Records^ £sPc. Equal altitudes of Sun to find error of Time-piece, (pocket chrono- meter,) at noon. Time from Noon, Time from Noon, Error of Time- P. M. Dec. 3, piece. 5' 23" 24'" fast. Mean time. Equal altitudes of Sun to find error of Time-piece, (pocket chrono- meter,) at midnight. Dec. 3, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original James, Edwin, 1797-1861, comp; Long, Stephen Harriman, 1784-1864; Say, Thomas, 1787-1834; Adams, John, 1735-1826, former owner. BRL; John Adams Library (Boston Public Library) BRL. Philadelphia : H. C. Carey and I. Lea . ..
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Keywords: ., bookauthorad, bookcentury1800, booksubjectdiscoveriesingeography
