Colour lithograph of sunspots and veiled spots
- Made:
- 1882 in United States
- maker:
- Etienne Leopold Trouvelot
Lithograph in colour, in original binder: Group of sunspots and veiled spots; observed 17 June 1875.
Lithograph in colour, in original binder: Group of sunspots and veiled spots; observed 17 June 1875.