HUGO Helt and the Rojas Astrolabe Projection
Published by Junta de Investigações do Ultramar, Coimbra, 1966
- Used
Seller: Ecléctica Alfarrabista, Azeitão, PortugalEcléctica Alfarrabista
AbeBooks seller since March 9, 2026
Condition: Used
£ 6.99
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Add to basketItem description from seller
**MADDISON (Francis)** *HUGO Helt and the Rojas Astrolabe Projection*. Coimbra: Junta de Investigações do Ultramar, 1966. ¶ 62 pp.; 295 mm. ¶ Brochado. ¶ [EN] Paperback. ¶ Estudo de história dos instrumentos científicos dedicado à chamada projecção de Rojas, a projecção ortográfica do astrolábio divulgada por Juan de Rojas y Sarmiento nos seus Commentariorum in astrolabium (Paris, 1550), e ao papel do matemático quinhentista Hugo Helt na sua génese e difusão. O autor reconstitui a história desta variante do astrolábio universal e discute as questões de prioridade e de transmissão que a envolvem. Publicado pela Junta de Investigações do Ultramar, em Coimbra, no âmbito dos trabalhos do Agrupamento de Estudos de Cartografia Antiga. Invulgar. ¶ [EN] A study of the history of scientific instruments dedicated to the so-called Rojas projection, the orthographic projection of the astrolabe disseminated by Juan de Rojas y Sarmiento in his Commentariorum in astrolabium (Paris, 1550), and to the role of the 16th-century mathematician Hugo Helt in its genesis and diffusion. The author reconstructs the history of this variant of the universal astrolabe and discusses the issues of priority and transmission involved. Published by the Junta de Investigações do Ultramar, in Coimbra, as part of the work of the Ancient Cartography Studies Group. Uncommon. ¶ ⚑ Auto-translated via Google Translate.…
Seller Inventory # ECL-9369
Bibliographic details
- Title
- HUGO Helt and the Rojas Astrolabe Projection
- Author
- MADDISON (Francis)
- Publisher
- Junta de Investigações do Ultramar, Coimbra
- Publication year
- 1966
- Item weight
- 1 kilogram
- Seller catalogs
- Livros
Ecléctica Alfarrabista
Azeitão, Portugal
AbeBooks seller since March 9, 2026
Shipping rates from Portugal to U.S.A.
| Item | 25 to 45 business days | 8 to 14 business days |
|---|---|---|
| First item | £ 12.30 | £ 14.89 |
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CollectibleSeller's business information
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