8.5-inch, 15° objective prism in cell
Date: 1955-1970
Inventory Number: 2006-1-0049
Classification: Objective Prism
Subject:
Maker: American
User: Harvard College Observatory (founded 1839)
User: George R. Agassiz Station, Harvard (1951 - 1982)
Cultural Region:
Dimensions:
23.2 × 23.2 × 7.5 cm (9 1/8 × 9 1/8 × 2 15/16 in.)
Description:
This objective prism has an aperture of 8.5 inches. It is approximately 15°. It is held in an aluminum cell painted black.
There is a piece of turquoise blue tape on the edge of one face of the prism. The other face of the prism right below the tape is chipped.
There is a piece of turquoise blue tape on the edge of one face of the prism. The other face of the prism right below the tape is chipped.
Signedunsigned
Historical AttributesUsed at Harvard College Observatory, George R. Agassiz Station.
ProvenanceHarvard College Observatory, George R. Agassiz Station; transfer to CHSI in 2005.