Early 16th Century Theodolite/dutch Circle/graphomètre With Sundial (italian Hours), Pré. 1540

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Object description :

"Early 16th Century Theodolite/dutch Circle/graphomètre With Sundial (italian Hours), Pré. 1540"

Early 16th century Italian theodolite with sundial (Italian times), circa 1540
Engraved with 8 Italian wind directions.
Tramontana (N), Greco (NE), Levante (E), Scirocco (SE), Ostro (S), Garbino (SW) different, usually Libeccio, Ponente (W), Maestro (NW)
Compass has declination indication at 18 degrees East.
It is on or before 1540 in northern Italy.
See the book: Istituto e museo di storia della scienza (catalog of sundials, nocturnals and related instruments, pag 70-77)
Last photo: declination graph of 5 European cities from 1590 to 2019 from the historical magnetic declination viewer, at from which one can generate the plausible date of 18 degrees east

Price: 9 500 €

Period: 16th century
Style: Renaissance, Louis 13th
Condition: Condition of use

Material: Bronze
Length: 215 mm
Width: 201 mm
Diameter: 202 mm

Reference: 1152284