optional measured sured

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Photo credit: © Heimfoto / Alamy / Afripics
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Keywords: altimetry, astronomische, backdrop, background, brass, brass-colour, extra, filter, fixing, gold, insulated, lenses, measure, measured, messinstrument, messskala, mirror, navigation, navigationsgerat, navigationsinstrument, optical, optional, position, scale, seenavigation, sextant, sixtant, spiegelsextant, sured, telescope, weiss, winkelmessung