Unknown, 1660 c.10
Coll. Willach Arrow right Arrow left
Photo

photo - whole telescope
Basic Info

Maker: Unknown

Year: 1660 c.10

Year Range: -

Year Notes:

Manufacturing Location: France [?]

Signature:

Signature Notes:

Inscriptions:

No stand present.

Collection: Coll. Willach

Accession #: 26155

Sources:

Project investigation

Public Notes:

Brown Galilean. Possibly French. End rings get smaller. Wider waves on marbling, typical of 17 c. Sharp points but width is greater than mace ruette. Marbled paper is wrapped around stops. Draws are cardboard, and paper covers are folded over edges. Magnification 4-5x. Lens held in place by spring and paper gasket.

Length (open): 320

Length (closed):

F-ratio:

Exit pupil:

Object status:

Optical Basics

Objective type: singlet

Optical style galilean

Physical style

Functional style

Materials: paper, pasteboard, glass, unknown

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: