geodetic instrument
51SPICA — Pour les articles homonymes, voir spica. SPICA (SPace Infrared telescope for Cosmology and Astrophysics) est un projet de télescope spatial infrarouge proposé par l agence spatiale japonaise JAXA avec une participation importante de l Agence… …
52Suisei — Sakigake Suisei Caractéristiques Organisation ISAS (fusionné depuis avec la J …
53Remote sensing — There are two kinds of remote sensing. Passive sensors detect natural energy (radiation) that is emitted or reflected by the object or surrounding area being observed. Reflected sunlight is the most common source of radiation measured by passive… …
54Leica Geosystems — Infobox Company company name = Leica Geosystems company company type = part of the Hexagon AB foundation = Aarau, Switzerland (1819) location = Heerbrugg, Canton St. Gall, Switzerland industry = Surveying Engineering Geographic Information… …
55Jefferson Pier — Jefferson Pier, Jefferson Stone, or the Jefferson Pier Stone, in Washington, D.C., marks the first meridian of the United States, [cite web| url=http://www.ngs.noaa.gov/PUBS LIB/freedom stands.html| title=Where Freedom Stands| author=David R.… …
56George N. Saegmuller — (1847 1934) was a German born American inventor of many astronomical instruments and other mechanical devices. He attended technical schools in Erlangen and Nuremberg. In 1870 he moved to the United States, where he settled in Washington, DC and… …
57Survey marker — Survey markers, or survey monuments, are objects placed to mark key survey points on the earth s surface. They are used in geodetic and land surveying. Vertical elevation markers are also known as benchmarks, and horizontal position markers used… …
58Geodäsie — Die Geodäsie (altgriech. γῆ gé ‚Erde‘ und δαίζειν daízeïn ‚teilen‘) ist nach der klassischen Definition von Friedrich Robert Helmert und nach DIN 18709 1 die Wissenschaft von der Ausmessung und Abbildung der Erdoberfläche. Dies umfasst die… …
59Struve-Bogen — Struve Bogen* UNESCO Welterbe …
60earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake …
