Vietnam or Thailand ? Vote for the TOP Country of the Week !
The river Metis and its branch, the Mistigougeche, were surveyed by an azimuth compass of Smallcaldus construction, and the distances measured by a micrometric telescope by Ertil, of Munich. The courses of the rest of the lines were determined by compasses of similar construction, and the distances measured by chains of 100 feet constructed by Dollond, of London, and Brown, of New York.
The latitude and longitude of the mouth of Green River were furnished by Major Graham. The three portages on that river were surveyed by chain and compass. The courses on the navigable parts of the river were taken with a compass and the distances measured by a micrometrical telescope by Ertil, of Munich.
Word Of The Day