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Date: |
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Description: | JAN VAN WYK FECIT AMSTERDAM
Sights-Four sight vanes 3.5" (9cm) long. One mounted at each corner of square brass base plate. Two with a vertical slit with a rectangular aperture above. Two with the opposite arrangement.
Compass-Dia. 9.5" (24cm) mounted at centre of instrument. Fitted wih a blued steel flat bar needle which is tapered and has a slightly expanded centre, 8.25" (21cm) long, with a jewelled pivot cap at centre. Graduated to 16 points and quadrantally in degrees.
AUDIT - object needs to be marked with its NAV number | Publisher: | "http://collections.rmg.co.uk/" | Subjects: | surveyors' crosses | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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