Astronomical Instruments. Circle. Plate II.

• Price: $45.00
  

  SKU: 86035

• PRINT ADD TO FAVORITES
  SHARE

• ARTIST:

• MEDIUM: Copper engraving,

  DATE: c.1820.

• EDITION SIZE: Image size vignette 8 1/2 x 7" (22 x 18 cm).

• DESCRIPTION: This print depicts two significant developments in astronomical instrumentation: Tobias Mayer’s original reflecting circle of 1752 and Jean-Charles Borda’s improved version from 1777. These devices were used for measuring angular distances between celestial bodies with greater precision, marking an evolution in observational astronomy. Drawn by J. Farey and engraved by A. Anderson, the image was published in 1820 in Rees’s Cyclopaedia, a major early 19th-century encyclopedia of science and technology.

• ADDITIONAL INFO: This piece is in a 11 x 14 inch mat for handling.

• CONDITION: Good condition.

• REFERENCE:

• CATEGORIES: 18th-19th Century Subjects , 18th-19th Century Trades and Industries , Other Professions