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telescope

object, machine, apparatus, tool, technical instrument

An optical instrument that magnifies the appearance of distant objects and celestial bodies.

Early telescopes were either refracting telescopes or reflector telescopes. Also known as a field glass.

Traveljournal 1794

Traveljournal 1814

  • Teleskop. In: Lueger, Otto: Lexikon der gesamten Technik und ihrer Hilfswissenschaften, Band 9, 2. Auflage. Stuttgart, Leipzig 1914, S. 796 (Zeno.org, Stand 7.3.2023). Siehe auch Eisenbibliothek Aa 182x.

Cite as: telescope. In: Travel Reports of a Pioneer: Digital Edition of the Travel Journals of Johann Conrad Fischer 1794–1851. Published by Franziska Eggimann. Edited by Franziska Eggimann, Nicolau Lutz, Valerija Rukavina und Christopher Zoller-Blundell. Schlatt 2023, Version 1.2, https://johannconradfischer.com/en/keywords/gfa-keywords-7442, viewed on 7 July 2025.

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A typical 17th century refracting telescope (plate from Encyclopédie, 1765)