Images taken by I. H. Ford in a reflecting microscope using his aspheric objective mirror
1960-1984
1960-1984
1999
circa 1840
circa 1840
1839
circa 1840
circa 1850
circa 1840
circa 1840
circa 1840
circa 1840
circa 1840
circa 1910
circa 1840
circa 1840
1839-1840
1900
1900
1900
circa 1910
circa 1910
circa 1840
circa 1840
circa 1910
1839
circa 1850
circa 1850
1840
circa 1850
1840
1851