Sun-Spot observation chart #1 May June November December by Robert Ball 1892 map

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Chart for Sun-Spot Observation - No. 1. Artist/engraver/cartographer: Sir Robert Stawell Ball. Provenance: "An Atlas of Astronomy" by Sir Robert Stawell Ball, published by George Philip & Son, 32 Fleet Street, London & 46-51 South Castle Street, Liverpool. Type: Antique astronomical map.

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Size: 4803px × 3728px
Location: Astronomy
Photo credit: © Antiqua Print Gallery / Alamy / Afripics
License: Royalty Free
Model Released: No

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