Maker: Unknown

Year: 1675 c.25

Year Range: -

Year Notes:

Manufacturing Location:

Signature:

Signature Notes:

Inscriptions:

No stand present.

Collection: Coll. Willach

Accession #: RW 127 [26127] [] [2023]

Sources:

Project investigation

Public Notes:

White bone with covers and horn box. Lenses are held in place with bone rings. From around the second half of 1600s. Telescope unscrews in the middle (reason is unclear).

Length (open): 140

Length (closed):

F-ratio:

Exit pupil:

Object status:

Objective type: singlet

Optical style

Physical style

Functional style

Materials: bone, horn, glass

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: