Last weekend found in a French castle this A. Bardou 4" table mount telescope.
It has the old, small stamp and an unusual tube ring with 2 large screws.
The lens is in fair condition and needs to be cleaned. According to the owner it was bought in the mid 19th century.
The tube needs to be…
Lens diameter 60mm tube 65mm length 89cm.
1 terrestrial eyepiece that can be removed.
Internal focuser with one knob.
Rare Steinheil large zenith prism for refractors.
Steinheil was one of the most famous European telescope brands from the 19th century.
The zenith prism is a rare accessory. Also the size is rare. It's probably made for the large professional refractors.
More information on the Anamorfose…
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…
School telescopes were a tradition in Germany in the 1920's. In Eastern-Europe several telescope makers continued to make them after the 1950's.
I didn't know of Meopta making such school telescopes. Couldn't find any information about this scopes.
Meopta is still known…
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…
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.…
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…
The ATOS project becomes a Turtle project (my totem sign). Slowly advancing but with a lot of perseverance like a turtle.
About every 3 weeks I travel to the Provence in search of the right spot for the observatories and the overnight stays for the visitors. Every time I leave with an agenda with about 7 or 8 appointments for visiting different places. The selections of the sites starts behind my computer: searching for the right ads, contacting the sellers,…
New find. 90mm f1170mm refractor on altaz fork mount.
The lens is extremely good. Sharp and good contrast. The lens has no coating. Must be made between 1900 and 1914. No indication of a brand.
Original wooden box for the telescope and mount.…
Note: this page contains paid content.
Please, subscribe to get an access.