Carl Zeiss Jena 60 mm telescope in case, circa 1920.

With original transit case, with tripod, extension rod, objective sunshade, erecting prism, and other accessories.

Serial number: 9120.

Focal length 85 cm.

60 mm E-Objective f = 85 cm (Objective Serial number: 11273).

7 oculars, including: Kellner f = 40 mm 21 X, Huygens f = 18 mm 47 X, Orthoscopic “Orthoskop” f = 9 mm 94 X.

Case dimensions: 102 x 28 x 19.5 cm. (With retailer’s label: W.G. WHITING 6, Market Street, Under Royal Exchange, MANCHESTER).

Illustrated in:

Carl Zeiss Jena, Astronomische Instrumente astro 30, page 13.

Zeiss Telescopes ASTRO 94 e H. XI. 34, pages 14 & 15.

For a comparable models of this telescope see the collections of:

The Robert B Ariail collection of Historical Astronomy, South Carolina State Museum.

The Science Museum, London. Object Number: 1990-754.

The Carl Zeiss Jena astro department was the historical astronomical instrument division of the Carl Zeiss company in Jena, Germany, established in the 1890’s it was renowned for producing telescopes, planetarium projectors, and other scientific instruments.