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...Geodetic Survey designed a tide-predicting machine. Fauth & Co. Instrument Makers built Tide-Predicting Machine No. 1 and delivered it in 1882. The Survey st The frequencies <math>\omega_i</math> are determined from [[Astronomy|astronomical]] considerations, which were determined by Thomson and Darwin and have been ...

...Paris Observatory]] and proposed this unit of measurement to be called the astronomical radius (French: ''Rayon Astronomique'').<ref>{{Cite book |last=Picard |firs ...doi=10.1002/asna.18420190702 |issn=0004-6337}}</ref> He also devised a new instrument for measuring gravitational acceleration which was first used in [[Switzerl ...

...ufficient; faced with a non-null result, a scientist prefers to accept the instrument as good, and treat the data as saying something about the substantive theor ...portant for several scientific fields, especially practitioners and policy makers to make analyses in order to guide important strategic decisions. Reproduci ...

...2019 |url=https://skepticalinquirer.org/exclusive/in-praise-of-the-crutch-makers/ |publisher=Skeptical Inquirer |access-date=8 September 2019}}</ref> * [[Merkhet]] — The merkhet was an ancient [[surveying]] and [[time]]keeping instrument. It involved the use of a bar with a [[plumb line]], attached to a wooden h ...