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Secretan 10cm large table top telescope +/- 1850

Early (+/-1855) 10cm (!) Secretan table top telescope with all the eyepieces and finder scope.
the scope has a very beautiful dark varnish. No cleaning needed. Will leave it as it is.

19th century table top telescopes have normally a diameter of 60mm or 75mm.  Larger models are very rare.

A very nice example of the classic French terrestrial and astronomical refracting telescope, here in a perfect original condition with all original lacquer entir

This is a vintage marine telescope, not a contemporary copy.

Originally the telescope was mounted on the railing on the deck of a ship. 

It's a very heavy instrument with excellent optics.  The views are realy spectacular.  Crisp sharp with a good contrast.

The telescope has a fixed eyepiece with a large eye relief.  Focusing is very smooth.

The telescope was probably made between 1900 and 1920.

More information on the Anamorfose website

A pyrometer is a device to the remote temperature-so without contact-to measure. The functioning of the pyrometer based on Wien's displacement law.

The pyrometer measures the wavelength in the infrared or visible light in which an object gives off most radiation to determine its temperature.

This device was created and marked by Eugène Ducretet in Paris around 1900. The item is in good working condition and is finished in brass with its original paint. Length of this object is 24.5 cm. Eugène

Beautiful direct vision antique spectroscope. The spectroscope works very well.

Is a large and heavy instrument.

Probably made around 1900.

The split mechanism is in brass and in perfect working condition.  Inside the tube is the prism system.

The spectroscope has a filar eyepiece.

More information on the Anamorfose website