(St Petersburg, 1857-1877); Politische Correspondenz Friedrichs des Grossen, vols.
1, 3, 5, 7, 12, 22, 26, 66, 79, 80, 81, 85-86, 91-92, 96, 99, 100, 103 (St Petersburg, 1870, &c.); Politische Correspondenz Friedrichs des Grossen, vols.
Troughton, who brought spider lines into universal use in astronomical instruments (see von Zach's Monatliche Correspondenz, vol.
His bold hypothesis of their origin by the disruption of a primitive large planet (Monatliche Correspondenz, vi.
The first table that was actually published is due to Gauss, and was printed in Zach's?llonatliche Correspondenz, xxvi.
Lalande); Monatliche Correspondenz viii.
His principal importance was, however, as editor of three scientific journals of great value: Allgemeine Geographische Ephemeriden (4 vols., Gotha, 1798-99), Monatliche Correspondenz zur Beforderung der Erdand Himmels-Kunde (28 vols., Gotha, 1800-13, from 1807 edited by B.
Olbers, who procured their publication (Monatliche Correspondenz, x.