[unknown maker], 1800 c.
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Photo

photo - whole telescope
Basic Info

Maker:

Year: 1800 c.

Year Range: -

Year Notes:

Manufacturing Location:

Signature:

Signature Notes:

Inscriptions:

No stand present.

Collection: Moose Jaw Museum & Art Gallery

Accession #: 9.50.32.1

Sources:

Project investigation: correspondence with museum curator.

Public Notes:

Tubular wooden telescope with brass eyepiece and knotted jute covering, brass extending lens holder and a brass screw-on lens cap; note that the inner lens has crack across diameter of lens.
Dimension: a. 51.0 (l) x 6.0 (diam); b. 5.4 x 0.9; circumference measurement around wood: 19.0 cm; circumference measurement around brass at lens end: 19.8 cm.

Length (open): 510

Length (closed):

F-ratio:

Exit pupil:

Object status:

Optical Basics

Objective type: unconfirmed

Optical style

Physical style

Functional style

Materials: wood, glass, brass

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: