Unknown, 1700 c.+25
Louwman Collection of Historic Telescopes Arrow right Arrow left

photo - whole telescope
Basic Info

Maker: Unknown

Year: 1700 c.+25

Year Range: -

Year Notes:

Manufacturing Location:


Signature Notes:


No stand present.

Collection: Louwman Collection of Historic Telescopes

Accession #: LC 195


Tiemen Cocquyt, "400 Years of Telescopes" booklet, Zeeuws Museum, 2008. Item 33.

Louwman, P.J.K., and Zuidervaart, H.J., "A Certain Instrument for Seeing Far: Four Centuries of Styling the Telescope Illustrated by a Selection of Treasures from the Louwman Collection of Historic Telescopes". Wassenaar, 2013. p.159. #195.

Public Notes:

Telescope made from horn of African rhinoceros. Case of cardboard and shark skin.

"Small spyglass made of horn from the African rhinoceros. In a conical casing covered with green coloured ray skin. Length 5 cm, Ø 2 cm. Unsigned. First quarter of the eighteenth century" (Louwman and Zuidervaart, 2013).

Length (open):

Length (closed): 50


Exit pupil:

Object status:

Optical Basics

Objective type: singlet

Optical style

Physical style spyglass

Functional style

Materials: horn, rayskin

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data