Ayscough, 1755 c.
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Photo

photo - whole telescope
Basic Info

Maker: Ayscough

Year: 1755 c.

Year Range: -

Year Notes:

Manufacturing Location: London, England

Signature: Ayscough / LONDON / t / Inv et Fecit [side one], Short / Long [side two], No 365 [side three]

Signature Notes:

Inscriptions:

No stand present.

Collection: Coll. Willach

Accession #: 41

Sources:

Project investigation.

Public Notes:

Probably soon after 1755. Two settings for longer or shorter. Fits in box. Later model of the Ayscough rotator.

Length (open):

Length (closed):

F-ratio:

Exit pupil:

Object status:

Optical Basics

Objective type: unconfirmed

Optical style multiple objective

Physical style

Functional style

Materials: brass, wood, glass

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: