Maker: Unknown

Year: 1750 c.

Year Range: -

Year Notes:

Manufacturing Location:

Signature:

Signature Notes:

Inscriptions:

No stand present.

Collection: National Maritime Museum

Accession #: NAV1655

Sources:

Royal Museums Greenwich. "Polygonal telescope". http://collections.rmg.co.uk/collections/objects/43867.html [Accessed: June 2016].

Public Notes:

"This non-achromatic telescope has an octagonal mahogany barrel and a single brass draw tube. The other brass fittings include sliding eyepiece and objective lens covers. The telescope once belonged to Rear-Admiral Charles Steevens (1705-61), and is of a type commonly used on board ship in the 18th century" (Royal Museums Greenwich).

Provenance:

Charles Steevens

Length (open):

Length (closed): 362

F-ratio:

Exit pupil:

Object status:

Objective type: unconfirmed

Optical style

Physical style polygonal

Functional style

Materials: mahogany, glass, brass

Drawtube data:

Drawtube notes:

Diameter: 35 mm

Objective Data

Eyepieces

Notes: