1.
Elementa Arithmeticae, Algebrae Ac Geometriae : Cum Sectionibus Conicis in Usum Tironum Cons...
by Pickel, Ignaz
ISBN: 9781174534454
List Price: $38.75
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Abhandlung Von Einem Sekundenperpendikel Einer Astronomischen Uhr (German Edition)
by Ignaz Pickel
ISBN: 9783743467699
List Price: $15.90