"Sundial And Compass In Ivory Date 1604 For Use In The Spanish Colonies Of South America"
Sundial and compass made for a Spanish dignitary in the shape of a circular box dated 1604 Built for use in the Spanish colonies in South America to compare with the dial ref 108 page 132 and 133 in the book of Greenwich sundials Another in Oxford inventory number 75822 outside on the upper part table of height of the marshes and on the bottom table of latitudes of the main cities of South America inside a large compass And on the other side a diptych dial with a small compass everything suggests that this dial was made for a leading scientific personality, one of the main ones being the Spanish cosmographer Diego Ramirez de Arellano (1565 1624) who was the chief pilot navigator of the Garcia de Nodal expedition in 1619 
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