et

nurgakruvik

substantive

Terminological databases

Engineering, Manufacturing and Construction

Metroloogia terminibaas

ID 1199988 Last modified 30.10.2026

Domain metrologymeasuring instruments

nurgakruvik

angular micrometer

mõõteseadis, mille abil varaseimad nurganäidud saadi silmaga otse nähtavate avatud nooniuskaalade abil ja järk-järgult suleti need skaalad füüsiliseks kaitseks

measuring device in which the earliest angular readings were obtained using open vernier scales visible directly to the eye, and which were gradually enclosed to provide physical protection

nurgakruvik

Usage examples

Nurgakruvikuid kasutatakse teleskoopides ja mikroskoopides, et mõõta taevakehade või mikroskoopiliste objektide näivat läbimõõtu või kahe sellise objekti vahelist nurkkaugust. Teleskoobis kasutatava nurgakruviku leiutas umbes 1638. a inglise astronoom William Gascoigne.

angular micrometer

Usage examples

Angular micrometers are also used in telescopes and microscopes to measure the apparent diameter of celestial bodies or microscopic objects or the angular distances between two such objects. The angular micrometer used with a telescope was invented about 1638 by William Gascoigne, an English astronomer.

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