Maker: Yarwell, John

Year: 1690 c.10

Year Range: -

Year Notes:

Manufacturing Location: England

Signature: John Yarwell / Fecit

Signature Notes:

Inscriptions:

Stand present.

Collection: Coll. Willach

Accession #: RW 144 [26144] [2013 13] [2023]

Sources:

Project investigation

Public Notes:

Dates around the end of 17 century. Rare reverse taper, three lens eyepiece, decorated with orange mottling. Magnification is 12. Mount is from the same time period. The tripod legs unscrew in the middle.

Length (open): 1140

Length (closed): 325

F-ratio:

Exit pupil:

Object status:

Objective type: singlet

Optical style keplerian

Physical style

Functional style

Materials: pasteboard, gold tooling, glass, wood

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: