Browse Free Online Books and eBooks: - Clog dancing made easy. The elements and practice of that art arranged, simplified and corrected ...
- The elements of Euclid, Viz. the first six books, together with the eleventh and twelfth. The errors, by which Theon, or others, have long ago vitiated these books, are corrected, and some of Euclid's demonstrations are restored. Also, the book of Euclid's Data, in like manner corrected
- The Spectator: A New Edition, Reproducing The Original Text Both As First Issued And As Corrected By Its Author
- US Patent 2601592: Corrected optical objective comprising six simple components axially aligned and air spaced apart
- US Patent 2601594: Corrected optical objective comprising six simple components axially aligned and air spaced apart
- US Patent 2601805: Highly corrected four component photographic objective
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