Micrometro, Unknown Artist | Artsupp

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Cooke and Sons astrograph

Cook and Sons astrograph

Cooke and Sons photographic camera

Thornton Pickard photographic camera

Cavignato chronograph

Fuess chronograph

Barraud marine chronometer

Two cell photometer

One cell photometer

Stellar interferometer

Sundial at Babylonian hours

Sundial at Italic hours

Grubb wire micrometer

Pendulum A. Kittel

Pendulum Cavignato and Mioni

Kobell pendulum

Riefler pendulum

Pendulum Riefler and Secchi

Browning prism spectroscope

Browning prism spectroscope

Instrument of the Repsold and Soehne passages

Zenithal telescope

$Cooke and Sons refractor telescope$

$Salmoiraghi refractor telescope$

Micrometro

Anonymous

Displayed in:

Astronomical Observatory of Abruzzo

Via Mentore Maggini, Teramo

Opening soon: at 09:00

Verified profile

The micrometer works at the end of the Cooke equatorial telescope. It includes: a micrometric box, equipped with fixed wires and mobile wire, and a cylindrical sleeve inside which a tube runs, driven by the drum, at the two ends of which the Wollaston prism and a variable diaphragm are fixed. The sleeve within which the prism-holder tube moves is equipped with a junction whose bases can slide on each other in friction, so that the micrometric box and, therefore, the wire itself, can assume any orientation.

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Details

Title: Micrometro

Author: Anonymous

Date: 1947

Technique:

Displayed in: Astronomical Observatory of Abruzzo

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