Maker: Unknown

Year: 1750 c.

Year Range: -

Year Notes:

Manufacturing Location: England

Signature:

Signature Notes:

Inscriptions:

No stand present.

Collection: Louwman Collection of Historic Telescopes

Accession #: LC 109

Sources:

Louwman, P.J.K., and Zuidervaart, H.J., "A Certain Instrument to See Far: Four Centuries of Styling the Telescope Illustrated by a Selection of Treasures from the Louwman Collection of Historic Telescopes". Wassenaar, 2009. p.106. #115.

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.106. #109.

Public Notes:

"Presumably English telescope. Main tube covered with sharkskin. Three pasteboard drawtubes covered with green paper. Eyepiece made of horn, with a nicely curved brass end. Unsigned. Length 70-157 cm, Ø 6 cm. Middle of the eighteenth century.

While the use of a sharkskin cover on the main barrel points to an English origin, this telescope also has a few features that are normally only found on telescopes made in Italy, like the typical horn ferrules" (Louwman and Zuidervaart, 2013).

Length (open): 1570

Length (closed): 700

F-ratio:

Exit pupil:

Object status:

Objective type: singlet

Optical style

Physical style

Functional style

Materials: horn, paper, pasteboard, sharkskin, brass

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: