Eyepiece

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Spare eyepiece section, erect image, with four cross wires.

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ID:	NAV1156.4
Type:	Eyepiece
Display location:	Not on display
Creator:	Unknown
Date made:	Unknown
Credit:	On loan from the Oliver-Bellasis Collection.
Measurements:	Overall: 90 mm; Diameter: 19 mm
Parts:	Sextant Box for sextant (NAV1156.1) Telescope (NAV1156.2) Telescope (NAV1156.3) Eyepiece (NAV1156.4) Sight-tube (NAV1156.5) Eyepiece (NAV1156.6) Eyepiece (NAV1156.7) Milled key (NAV1156.8)