Tags

Royal Observatory of Belgium (1126) Observatoire royal de Belgique (539) Scientific instruments (449) Staff (300) Accounting (Invoices, Accounts, ...) (214) Building Observatory (construction & maintenance) (148) Meteorology (122) About publications (105) General Administration (reports, regulations & inventories) (92) External publications (90) Foreign observatories (78) Meridian & time keeping (67) Budget (64) Astronomy (61) Study trips (59) Education (59) City of Brussels (57) Royal Academy (54) Cartography (+ topography & Geodesy) (52) City of Brussels (46) Museum of Brussels (i. e. physics cabinet) (41) Personal life, family & friends (38) Foreign scientists and learned Societies (36) Statistics (+ BMI) (31) Justice & law (+ insurance) (29) Dépôt de la Guerre (Topographical Dépôt) (28) Telegraphy (26) Physics of the globe (25) Publications of the Observatory (23) Dutch government (1815-1830) (23) Belgian Navy (21) External performances (Commissions, committees, ...) (21) Homeland observatories (20) Library of the Observatory (18) Weights and Measures (17) High school of Brussels (16) Phenology (periodical phenomena : weather and nature) (14) Railways (14) Illustrations (14) Medicine (11) Belgian revolution (9) Museum of Industry (9) Mathematics (7) Military school (7) Miscellaneous (7) Telescopes (7) Royal Academie of Science, Letters and Fine arts of Belgium (7) Royal Library (5) Demography (4) Town planning (3) Botanical garden Brussels (3) Royal Institute of Meteorology (3) Learned Societies in Belgium (2) Belgian government (2) To correct (2) Industry (1) Biographies (1)