Paget Angle Sextant

The sextant has a black-lacquered alloy frame consisting of two circular plates, the upper having an ivorine overlay. There is a wooden handle to be screwed in the lower plate. There is no tangent or clamping screw and the index arm is moved by hand. The instrument has no shades. Index- and horizon-glass adjustment is made by screws. The sight vane has one pinhole mounted within the frame.

The instrument has an ivorine scale in black from 0° to 90° to 0° by 30 arcminutes. The scale is read by a black indicating line in an ivorine index mark at the end of the index arm.

The sextant is contained in a fitted mahogany box lined with green textile.

The Paget sextant was designed around 1892 and brought on the market by H. Hughes and Son.

Object Details

ID: ACO1257
Collection: Astronomical and navigational instruments
Type: Surveyor's Sextant
Display location: Not on display
Creator: Henry Hughes & Son Limited
Date made: circa 1920
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 146 mm; Diameter: 115 mm
Parts: Paget Angle Sextant
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