Unknown, 1650 c.+25
Coll. Willach Arrow right Arrow left
Photo

photo - whole telescope
Basic Info

Maker: Unknown

Year: 1650 c.+25

Year Range: -

Year Notes:

Manufacturing Location: France [?]

Signature:

Signature Notes:

Inscriptions:

No stand present.

Collection: Coll. Willach

Accession #: 26132

Sources:

Project investigation

Public Notes:

Four draw terrestrial telescope around 1000 mm in length, with a three lens eyepiece insert (lenses unequally spaced). Ferrules are of common outer diameter. Objective is missing. Case is original leather with blind tooling, likely second half of 1600s. Marbling is found in France during this period and in Italy by early 1700s.

Length (open): 1000

Length (closed):

F-ratio:

Exit pupil:

Object status:

Optical Basics

Objective type: singlet

Optical style terrestrial

Physical style

Functional style

Materials: pasteboard, paper, glass, ivory, leather, gold tooling

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: