Memoirs of the life of David Rittenhouse |
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acquainted afterwards American Philosophical Society Anaxagoras Andrew Ellicott appears appointed Aristotle assembly astronomer attention Barton Benjamin Smith Barton celebrated character Christian clock College Comet communicated continued Copernicus David Rittenhouse death degree Descartes discoveries distinguished diurnal motion earth eclipse Ellicott eminent erected established esteem favour fixed stars Franklin genius gentleman happiness heavens honour Hygrometer illustrious ingenious institution instrument John knowledge Lalande late laws learned letter likewise longitude mankind means Memoirs Memorialist ment mentioned mind moon motion native natural philosophy nature New-York Newton Norriton observations Observatory occasion opinion Oration Orrery Penn Pennsylvania period persons Philadelphia philoso planets present President principles professor published purpose rendered respect Ritten says shew Smith supposed sylvania talents telescope tenhouse thing tion Transit of Mercury Transit of Venus truth University virtue William writer