Dollond, 1758 c.
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Photo

photo - eyepiece
Basic Info

Maker: Dollond

Year: 1758 c.

Year Range: -

Year Notes:

Manufacturing Location: London, England

Signature: “Dollond / London”

Signature Notes:

Inscriptions:

No stand present.

Collection: Coll. Willach

Accession #: 67

Sources:

Project investigation

Public Notes:

Wooden 10-sided tubes. 5 lens eyepiece. Flint forward. Signature "Dollond" used up to time Peter joins. "P Dollond" or "P Dollond Strand" signature after John Dollond's death in 1761. After 1766 Peter Dollond uses "Dollond / London" until end of his life.

Length (open):

Length (closed):

F-ratio:

Exit pupil:

Object status:

Optical Basics

Objective type: doublet (flint forward)

Optical style

Physical style polygonal

Functional style

Materials: wood, brass, glass

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: