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

photo - whole telescope
Basic Info

Maker: Dollond

Year: 1775 c.+25

Year Range: -

Year Notes:

Manufacturing Location: England

Signature: Dollond / London

Signature Notes:

Inscriptions:

Stand present.

Collection: Louwman Collection of Historic Telescopes

Accession #: LC 157

Sources:

Cocquyt, Tiemen. "400 Years of Telescopes" booklet, Zeeuws Museum, 2008. Item 19.

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. 141. #157.

Public Notes:

"Small achromatic telescope on a brass stand, signed: ‘Dollond / London’. With multiple eye lenses, mounted on a rotating disk, providing four different magnifications. The stand can be easily dismantled and handsomely stowed away inside the tube. Length 17 cm, Ø 4 cm" (Louwman and Zuidervaart, 2013).

Length (open): 170

Length (closed):

F-ratio:

Exit pupil:

Object status:

Optical Basics

Objective type: unconfirmed

Optical style

Physical style

Functional style

Materials: brass

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: