Terrestrial and Celestial Globes Volume 1: Their History and Construction Including a Consideration of their Value as Aids in the Study of Geography and AstronomyStevenson, Edward Luther
History
Terrestrial and Celestial Globes Volume 1: Their History and Construction Including a Consideration of their Value as Aids in the Study of Geography and Astronomy
Stevenson, Edward Luther
Geography -- History; Globes
Meucci, in referring to his own work of restoring and remounting the
great sphere, observes that at the poles of the ecliptic there are two
discs on which have been painted the coat of arms of the Medici family
together with the coat of arms of the Lorena, Christina di Lorena being
the wife of Ferdinand, to whom the work had been dedicated. He further
notes that his researches led him to the discovery that the instrument
originally cost 1052.2 scudi, which, with an incidental addition of 170
scudi, thought proper to be included in the reckoning, would make the
entire expense of construction 1222.2 scudi or about 7187 liri, that is,
less than $1400. The amount seems insignificant, remembering that the
work was begun in the year 1588 and was not completed until the year
1593, claiming therefore five years of the maker’s time. The map on the
terrestrial globe seems to have been well drawn, and is remarkable for
its representation of the geography of the interior of Africa,
particularly for the region about the source of the Nile.
In the library of Mr. Henry E. Huntington may be found an exceedingly
fine armillary sphere (Fig. 86). It is neither signed nor dated, but
there appears to be good reason for attributing it to Antonio Santucci,
and its date to about the year 1580. Constructed entirely of wood, with
paper identifying labels pasted on the surface of each of the numerous
circles, it is a well-preserved example of Italian workmanship. It is
furnished with horizon, meridian, tropical, polar, and ecliptic circles,
the first being graduated on both the outer and the inner edge. This
horizon circle has a diameter of about 50 cm., and a width of about 7
cm., the width of the other circles being well proportioned for artistic
effect. Within the circles named are those representing the orbits of
“Luna,” “Mercurio,” “Venere,” “Sole,” “Marte,” “Giove,” “Saturno,” with
the earth at the center according to the Ptolemaic system. It has a
single standard support resting on a solid circular disc about 33 cm. in
diameter.
[Illustration: Fig. 86. Armillary Sphere of Antonio Santucci (?), ca.
1580.]
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