| Date | 1969 |
| Publish_location | Coimbra |
| Publisher | Junta de Investigaçäoes do Ultramar |
| Collection | Ricci Institute Library |
| Language | English |
| Record_type | Extract/Offprint |
| Series | Agrupamento de Estudos de Cartografia Antiga. Série separata ; 30 |
| Shelf | Stacks |
| Call Number | GA201.A37 v.30 |
| Description | 60 p., [25] p. of plates : ill., facsimiles ; 29 cm |
| Note | Medieval scientific instruments and the development of navigational instruments in the XVth and XVIth centuries / by Francis Maddison. |
| Subject | Astrolabes--Early works to 1800 Scientific apparatus and instruments--History Aids to navigation--History Nautical instruments--History |