[unknown maker]
Verbiest, Ferdinand, Yixiang zhi (On Astronomical Instruments) Arrow right Arrow left
Basic Info

Maker:

Year:

Year Range: 1673-1674

Year Notes:

Manufacturing Location: China

Signature:

Signature Notes:

Inscriptions:

Stand present.

Collection: Verbiest, Ferdinand, Yixiang zhi (On Astronomical Instruments)

Accession #:

Sources:

Tsuko Nakamura, Astronomers of Edo: Soaring through the Night Sky, figure 2-9, p. 71. Property of the National Archives of Japan.

Public Notes:

Within context of the revised Japanese lunisolar calendar “Horiki Kojutsu Gen-reki”. Five-draw telescope with mount. The hand reaching through the clouds is similar to that in the Chinese “Reidai Gishoshi”.

Length (open):

Length (closed):

F-ratio:

Exit pupil:

Object status:

Optical Basics

Objective type: unconfirmed

Optical style

Physical style

Functional style

Materials:

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data

Eyepieces

Notes: