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Horary quadrant by Henry Sutton

Horary quadrant by Henry Sutton

1658

Horary quadrant by Henry Sutton

Horary quadrant by Henry Sutton

1658

Islamic horary quadrant, 1727-1728

Islamic horary quadrant, 1727-1728

1727-1728

Islamic horary quadrant, Persian, 1701-1800

Islamic horary quadrant, Persian, 1701-1800

1701-1800

Islamic horary quadrant

Islamic horary quadrant

Islamic horary quadrant

Islamic horary quadrant

Islamic horary quadrant

Islamic horary quadrant

1701-1800

Persian horary quadrant

Persian horary quadrant

1727-1728

Horary quadrant consisting of front and reverse paper scales and wooden board made by Henry Sutton, Threadneedle Street, London, 1658.

Horary quadrant by Henry Sutton

1658

Arabic wooden horary quadrant (16 cm radius), with painted scales and cloth case by Mustafa Ayyub and dated AH 1143 (1730-1).

Islamic horary quadrant, 1730-1731

1730-1731

Italian bronze horary quadrant, 9-cm radius.

Italian horary quadrant, 1400-1499

1400-1500

English brass horary quadrant (6 1/4-inch radius), signed Joseph Richards with degree, unequal hour and trigonometric scales and vovelle (planispheric nocturna) on reverse side.

English horary quadrant, 1650-1725

1650-1725

Electrotype copy of an Islamic horary quadrant in the Archaeological Museum, Madrid. The original was displayed at the 1876 Loan Collection Exhibition of scientific apparatus at South Kensington, London, see catalogue, p397, No.1775a; London (England); South Kensington Museum

Replica Islamic horary quadrant

1876 (replica)

Arabic wooden horary quadrant (16 cm radius), with painted scales by Mustafa Ayyub and dated AH 1143 (1730-1).

Islamic horary quadrant, 1730-1731

1730-1731

English boxwood horary quadrant (6 1/2-inch radius).

English horary quadrant, 1650-1725

1650-1725

Electrotype copy of a rectangular horary quadrant with shadow dial scale by George Hartmann, Nuremburg, Germany and dated 1549.

Replica of German rectangular horary quadrant, 1549

1549

English brass horary quadrant by William Rickett, dated 1786 ( 6 1/4-inch radius) with degree scale.

English horary quadrant, 1786

1786

Platinotype print of plate of horary quadrant, from "Margarita Philosophica", 1535, p. 1348

Platinotype print of plate of horary quadrant

1914