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1817° — Euklid's Elemente. Die ersten vier Bùcher. KlangenfuH, typis 

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1818 9 — Bonnycastel J. Elements of Geometry, containing the princi- 

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Cat. Macmillan. 



1819 8 — Elements of geometry containing the first six books of Euclid; 

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 By John Playfair. Fifth edition, enlarged. Edinburg, Bell fy Bradfute, 8°. 



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1819 ° — G. L. Kònig. Supplement in Euclidem. Hamburgh, Forthes, 

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Indicatomi dal Sommervogel. 



1819 ,0 — Cresswell D. Treatise of Geometrie, with the Elements of solid 

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 Segue : 

 A supplement to the Elements of Euclid. 8°. 



Cat. Macmillan, e bib. Chasles, n° 1568. 



1819" — Geometrical problems, declucible from the first six books of 

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Bib. della S. Trinità di Dublino. 



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