Maker: Yarwell, John [attributed]

Year: 1687 c.

Year Range: -

Year Notes:

Manufacturing Location: London, England

Signature:

Signature Notes:

Inscriptions:

No stand present.

Collection: Louwman Collection of Historic Telescopes

Accession #: LC 37

Sources:

Project investigation; Boerhaave exhibit. 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. 66. #41.

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". Wasscnaar, 2013. p. 74. #37.

Public Notes:

"English telescope (reverse tapered). Main tube covered with dark green leather with (worn-out) gold tooling, resembling Turner (1966), no. 27. Five pasteboard drawtubes covered with white parchment.
Length 30-76 cm, Ø 4 cm. Unsigned, but attributed to John Yarwell (1671-1708). Last quarter of the seventeenth century" (Louwman, and Zuidervaart, 2013).

Length (open): 760

Length (closed): 300

F-ratio:

Exit pupil:

Object status:

Objective type: singlet

Optical style

Physical style

Functional style

Materials: leather, parchment, wood, glass, gold tooling

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: