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Date: |
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Description: | T I 8 H ? 498249
Brass ring painted black. Has "V" and nipple sights. Fore sight has adjustable prism and two shades, one of which has a missing lens. Has hinged celestial reflector. Back sight consists of shadow pin (missing) and spirit level on raises counter-weight. Fits over the circumference of compass and held in place by 0.9" (2.2cm) ridge.
A. This item is the working model originally produced.
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | Azimuth azimuth dials | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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