Curious military inclinometer, used to measure the angle of fire of the cannons. Manufactured in 1940 Curious military inclinometer, used...
Antique English naval sextant from 1893, with its original box and preserving all its parts. Antique English naval sextant from...
Evocative French Educa stereoscope. With 42 plates of 12 views each one. In perfect working order. Evocative French Educa stereoscope....
Pocket or Drum Sextant, 1930s. Pocket or Drum Sextant, 1930s.
Stereoscovi stereoscope and collection of crystals, 1920. Stereoscovi stereoscope and...
Stereo viewfinder, 1920s. Stereo viewfinder, 1920s.
Optical Lens Case ca. 1900. Optical Lens Case ca. 1900.
Stereoscope with various crystals and case. 1920's. Stereoscope with various crystals and...
Jules Richard Stereoscope from 1905, with Collection of 250 Stereoscopic Glass Plates. Jules Richard Stereoscope from 1905,...
You are looking at a very nice lens case manufactured around 1900 and destined to be used as a stamping or philatelic case. You are looking at a very nice lens...
Antique opera monocular in gilded brass. Original lens. Charming antique piece. Antique opera monocular in gilded...
Beautiful antique celestial telescope with spectacular solid oak tripod. In excellent condition. Beautiful antique celestial telescope...
Large Armstrong Stevens & Co. celestial telescope with wooden tripod and case. Working. Large Armstrong Stevens & Co....
Striking gilt brass celestial telescope made in the 19th century. With wooden tripod. Striking gilt brass celestial...
Precious marine spyglass of five bodies. Signed and well preserved. Museum piece. Year 1860. Precious marine spyglass of five...
Sardanas and catalan songs mainly,...