Deijl, J. & H van, 1782
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Basic Info

Maker: Deijl, J. & H van

Year: 1782

Year Range: -

Year Notes:

Manufacturing Location: The Netherlands

Signature:

Signature Notes:

Inscriptions:

Stand present.

Collection: Utrecht University Museum

Accession #: UM-150

Sources:

Correspondence w/ museum curator.

Public Notes:

Mahogany viewer tube with brass flanges for objective and eyepiece, on wooden stand, in box. With lens with a clear aperture of 43mm, the rear lens is broken into quarters. With four-lens erecting eyepiece.

Length (open):

Length (closed):

F-ratio:

Exit pupil:

Object status:

Optical Basics

Objective type: unconfirmed

Optical style

Physical style

Functional style

Materials: wood, mahogany, glass, brass

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: