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A late 19th/early 20th-century English lacquered-brass floating-card prismatic compass, unsigned, the cylindrical compass box enclosing an engraved compass card graduated 0-360°, the figures printed in reverse, mounted on a jewelled pivot, the slit foresight and crosshair aftsight with prism both hinged and mounted on the compass box bezel, the compass box with momentary and locking card-lock mechanisms on rim and tripod mounting on base, maker's? plush-lined fitted mahogany case (case marked on exterior, lid defective) -- compass box 10cm. diameter
细节
Sir Ernest Henry Shackleton (1874-1922)
A late 19th/early 20th-century English lacquered-brass floating-card prismatic compass, unsigned, the cylindrical compass box enclosing an engraved compass card graduated 0-360°, the figures printed in reverse, mounted on a jewelled pivot, the slit foresight and crosshair aftsight with prism both hinged and mounted on the compass box bezel, the compass box with momentary and locking card-lock mechanisms on rim and tripod mounting on base, maker's? plush-lined fitted mahogany case (case marked on exterior, lid defective) -- compass box 10cm. diameter
A late 19th/early 20th-century English lacquered-brass floating-card prismatic compass, unsigned, the cylindrical compass box enclosing an engraved compass card graduated 0-360°, the figures printed in reverse, mounted on a jewelled pivot, the slit foresight and crosshair aftsight with prism both hinged and mounted on the compass box bezel, the compass box with momentary and locking card-lock mechanisms on rim and tripod mounting on base, maker's? plush-lined fitted mahogany case (case marked on exterior, lid defective) -- compass box 10cm. diameter
来源
Sir Ernest Henry Shackleton (1874-1922).
Lord Shackleton, his son, by whom given to
Leslie George Sibley, Birley (a friend and political sponsor of Lord Shackleton), and by descent to the present owner.
Bob Headland (SPRI) has suggested that the height of the sights indicate the present compass would have been used for surveying rather than navigation.
Lord Shackleton, his son, by whom given to
Leslie George Sibley, Birley (a friend and political sponsor of Lord Shackleton), and by descent to the present owner.
Bob Headland (SPRI) has suggested that the height of the sights indicate the present compass would have been used for surveying rather than navigation.