Maker: Unknown

Year:

Year Range: -

Year Notes:

Manufacturing Location: England

Signature:

Signature Notes:

Inscriptions:

No stand present.

Collection: British Museum

Accession #:

Sources:

Edwin Banfield, Barometer Makers and Retailers, 1660-1900 (Baros Books, 1991), fig. 2.

Public Notes:

Border around the perimeter contains two crossed refracting telescopes on the right side of image.

Length (open):

Length (closed):

F-ratio:

Exit pupil:

Object status:

Objective type: unconfirmed

Optical style

Physical style

Functional style

Materials:

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: