Signedunsigned
FunctionFor photography of the stars and celestial bodies.
Historical AttributesUsed by Harvard College Observatory and transferred to CHSI from Agassiz Station in 1969.
This astrograph lens looks like it was made by Alvan Clark & Sons, and then modified by the optical shop at Harvard College Observatory.
ProvenanceHarvard College Observatory, Agassiz Station; transferred to CHSI, 1969.