Unknown, 1775 c.+25
Louwman Collection of Historic Telescopes Arrow right Arrow left

photo - whole telescope
Basic Info

Maker: Unknown

Year: 1775 c.+25

Year Range: -

Year Notes:

Manufacturing Location: English


Signature Notes:


No stand present.

Collection: Louwman Collection of Historic Telescopes

Accession #: LC 52


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.80. #52

Public Notes:

"Main tube and three drawtubes covered with green coloured ray skin. Brass curved fittings and protective lids. Unsigned, but resembling the preceding Martin (LC 51) and next Dollond manufactured (LC 54) telescopes. Third quarter of the eighteenth century" (Louwman and Zuidervaart, 2013).

Length (open): 1000

Length (closed): 360


Exit pupil:

Object status:

Optical Basics

Objective type: unconfirmed

Optical style

Physical style

Functional style

Materials: rayskin, brass

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data