Ayscough, James
Louwman Collection of Historic Telescopes Arrow right Arrow left

photo - whole telescope
Basic Info

Maker: Ayscough, James


Year Range: 1748-1759

Year Notes:

Manufacturing Location: England

Signature: Ayscough London

Signature Notes:


No stand present.

Collection: Louwman Collection of Historic Telescopes

Accession #: LC 180


Cocquyt, Tiemen "400 Years of Telescopes" booklet, Zeeuws Museum, 2008. Item 23.

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.154, #180.

Public Notes:

"Small maritime telescope. Cylindrical wooden main tube, with a brass drawtube and ditto fittings. Signed: ‘Ayscough London’. Length 2643 cm, Ø 3 cm. Made between 1748 and 1759" (Louwman and Zuidervaart, 2013).

Length (open): 430

Length (closed): 260


Exit pupil:

Object status:

Optical Basics

Objective type: singlet

Optical style

Physical style

Functional style maritime

Materials: wood, brass

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data