Menu   Introduction   Catalogue   Essay   Handlist   Museums   Makers   Bibliography   Places   Conventions   Articles   Credits   Glossary   Help   Search   Index				Portuguese Portuguese instruments from the Middle Ages and Renaissance tend to be confined to mariner's astrolabes, reflecting Portugal's strong maritime presence in the period. For Portuguese instruments, see:    Mariner's Astrolabe, Signed by Francisco de Goes, Portuguese, Dated 1608 (Firenze, IMSS) || Introduction || Essay || Museums || Bibliography || Conventions || Credits || Privacy || Help || || Catalogue entries || Handlist || Makers || Places || Articles || Glossary || Search || Home ||