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Description: | Circular disc with 3 small screws at 120� intervals around outside, Small mirror in centre. Handwritten label: "PZT chronograph - graticule mounting with prism (experimental)".
RGO collection. Probably from same instrument as ZBA0688.
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | Royal Greenwich Observatory telescope parts | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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