Solar Corona 1878 July 29
- maker:
- William Harkness and Royal Astronomical Society
Solar Corona 1878 July 29, Wyoming, glass transparency no,46, 6 1/4" sq, from photograph by W. Harkness, diameter of Solar disc =1 1/2"
Solar Corona 1878 July 29, Wyoming, glass transparency no,46, 6 1/4" sq, from photograph by W. Harkness, diameter of Solar disc =1 1/2"