4 ms. charts (3 circular and 1 rectangular) for astronomical calculations
4 ms. charts (3 circular and 1 rectangular) for astronomical calculations
Penn Libraries call number: LatC Ov403.4 1507 All images from this book
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4 ms. charts (3 circular and 1 rectangular) for astronomical calculations
4 ms. charts (3 circular and 1 rectangular) for astronomical calculations
Penn Libraries call number: LatC Ov403.4 1507 All images from this book
1,005
views
0
faves
1
comment
Uploaded on April 4, 2011
Taken on April 1, 2011