Maker: Unknown

Year: 1775 c.25

Year Range: -

Year Notes:

Manufacturing Location: Italy

Signature:

Signature Notes:

Inscriptions:

No stand present.

Collection: Louwman Collection of Historic Telescopes

Accession #: LC 103

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.104. #109.

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.104. #103.

Public Notes:

"Presumably Italian telescope. Main tube covered with shagreen-leather. Three pasteboard drawtubes covered with white parchment. Ferrules and end pieces made of horn. Unsigned. Length 31-77 cm, Ø 1.4 cm. Late eighteenth century" (Louwman and Zuidervaart, 2013).

Length (open): 770

Length (closed): 310

F-ratio:

Exit pupil:

Object status:

Objective type: singlet

Optical style

Physical style

Functional style

Materials: horn, parchment, pasteboard, shagreen

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: