Compass Card, 1825 compass card The rose has a brass cap in the middle with hole in front of the pen at the bottom: the rotation of the rose was improved by the materials used, while fluctuating by increasing the ruby's friction surface was reduced. The rose is badly damaged. instrument maker: Amsterdamafter design by: Portsmouth iron (metal). ruby (mineral). agate (chalcedony). paper

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Size: 5088px × 4692px
Photo credit: © piemags/rmn / Alamy / Afripics
License: Licensed
Model Released: No

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