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Date: |
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Description: | Robinson Maker 1842 No 2 Apl 8. 1848 17.5 Card No.2
Card- Mica covered with paper. White with black and white markings, graduated to 1/4 points graduated quadrantally in degrees.
Needle- Two edge bar needles 7.5" length of rolled and hammered clock spring steel, arranged in lozenge form with their ends riveted together.
Pivot-Inverted type, mounted in a metal dome secured to centre of card.
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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