Baillou, Francus du, 1760 c.
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Photo

photo - whole telescope
Basic Info

Maker: Baillou, Francus du

Year: 1760 c.

Year Range: -

Year Notes:

Manufacturing Location: Milan, Italy

Signature:

Signature Notes:

Inscriptions:

No stand present.

Collection: Optisches Museum

Accession #: 03/0178

Sources:

Public Notes:

Inscription in French on the eyepiece:
"On enfoncera ce tuyau jusqu’ a cette marque quand
il faudra observer les astres avec le petit tuyau
garni des deux verres oculaires astronomiques."

Inscription around lens:
"Objectif microscopique, et pour les objets éloigne’s, dans des journées sombres, en raccourcissant la lunette."

This telescope is nearly identical to 03/0177 in this same collection.

Length (open):

Length (closed):

F-ratio:

Exit pupil:

Object status:

Optical Basics

Objective type: unconfirmed

Optical style

Physical style

Functional style

Materials: wood, brass, gold tooling

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: