SCIENCE AND MEDICINE - LALANDE Jérôme LEFRANCOIS de (1732 - 1807) - Autograph letter signed
Sold for £300
After calculating the Moon's parallax with unprecedented accuracy at the age of nineteen, he was admitted to the Berlin Academy of Sciences at the age of twenty. In 1759, he published a corrected edition of Halley's tables and in 1762 was appointed to the astronomy chair at the Collège de France, a post he held for 46 years. He is best known for his description of the French sky and his measurement of the orbit of Mars.
Autograph letter signed "Lalande director of the observatory" to citizen Taris. “Collège de France”, 15 Vendémiaire 1/2 p. in-8° oblong. Beautiful piece. Post in which he intervenes in favor of "Paradis de Raymondis (philosopher and writer) dont le traité a intéressé son correspondant: il était prèt d'être rayé mais a été cependant obligé de partir. que son correspondant agisse: vous rendez à la France ... - Included: autograph letter signed 11 Avril 1806.
Autograph letter signed "Lalande director of the observatory" to citizen Taris. “Collège de France”, 15 Vendémiaire 1/2 p. in-8° oblong. Beautiful piece. Post in which he intervenes in favor of "Paradis de Raymondis (philosopher and writer) dont le traité a intéressé son correspondant: il était prèt d'être rayé mais a été cependant obligé de partir. que son correspondant agisse: vous rendez à la France ... - Included: autograph letter signed 11 Avril 1806.