3D rendering Illustration of a device for different mathematical calculations & manually; created by John Napier of Merchiston.

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3D rendering Illustration of a device for different mathematical calculations & manually operated; created by John Napier of Merchiston in Scotland and described in his treatise Rabdology in 1617.

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Size: 7400px × 7000px
Photo credit: © J J Osuna Caballero / Alamy / Afripics
License: Royalty Free
Model Released: No

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