Maker: Dollond

Year: 1775 c.+25

Year Range: -

Year Notes:

Manufacturing Location: London, England

Signature: Dollond London

Signature Notes:

Inscriptions:

No stand present.

Collection: Louwman Collection of Historic Telescopes

Accession #: LC 54

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.75. #59.

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.81. #54.

Public Notes:

"Main tube and two drawtubes covered with green coloured ray skin. Brass fittings with protective lids. Length 19-40 cm, Ø 2.5 cm. Signed: ‘Dollond London’. Third quarter of the eighteenth century" (Louwman and Zuidervaart, 2013).

Length (open): 400

Length (closed): 190

F-ratio:

Exit pupil:

Object status:

Objective type: unconfirmed

Optical style

Physical style

Functional style

Materials: rayskin, brass

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: