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 108

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.105. #114.

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. #108.

Public Notes:

"Presumably English telescope. Main tube covered with grey coloured shagreen or rayskin. Four green coloured pasteboard drawtubes. Ferrules and end pieces made of brass. Unsigned. Length 28-82 cm, Ø 4.5 cm" (Louwman and Zuidervaart, 2013).

Length (open): 820

Length (closed): 280

F-ratio:

Exit pupil:

Object status:

Objective type: singlet

Optical style

Physical style

Functional style

Materials: pasteboard, rayskin, shagreen, brass

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: