Ludlam, William, Astronomical observations made in St. John's College, Cambridge, in the years 1767 and 1768 : with an account of several astronomical instruments

List of thumbnails

< >
81
81 		82
82
83
83 		84
84
85
85 		86
86
87
87 		88
88
89
89 		90
90
< >
page |< < of 191 > >|
Impressum