Storer, William, 1780 c.
Louwman Collection of Historic Telescopes Arrow right Arrow left

photo - whole telescope
Basic Info

Maker: Storer, William

Year: 1780 c.

Year Range: -

Year Notes:

Manufacturing Location: England

Signature: Storer Professor of Optics to His Majesty No. 176

Signature Notes:


No stand present.

Collection: Louwman Collection of Historic Telescopes

Accession #: LC 224


Cocquyt, Tiemen. "400 Years of Telescopes" booklet, Zeeuws Museum, 2008. Item 44.

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.170. #224.

Public Notes:

"Luxurious ‘subscription-telescope’ with fine focussing by rack and pinion, made by William Storer. Brass main tube covered with green coloured ray skin. Length 26 cm, Ø 6.5 cm. Signed with the extensive inscription: ‘Storer Professor of Optics to his Majesty No. 176 * / Warranted to be adjusted / by Wm Storer / & delivered to the subscribers / at Chas Lincoln’s / no 62 Leadenhall Street, / London’. At the other side [below the Royal coat of arms]: ‘The Subscription / Telescope / by the Kings Patent’. Traverse: ‘Sero sed serio’. Ca. 1780" (Louwman and Zuidervaart, 2013).

Length (open):

Length (closed): 260


Exit pupil:

Object status:

Optical Basics

Objective type: singlet

Optical style

Physical style spyglass

Functional style

Materials: shagreen, brass

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data

CA curvature (diopters): CB curvature (diopters): PD lens power (diopters): fD focal length (mm): t thickness (mm): free aperture (mm): full aperture (mm): nD refractive index: ν Abbe No.:
Lens 1 65.00