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Description
Hemisferium Nocturnal and Tide computerThis piece is a replica of a Nocturnal and Tidal Abacus from 1570, signed by Humphrey Cole, an English maker of scientific instruments and engraver. Currently, this instrument can be found in the British Museum, London. One of its faces is a Tidal Abacus and the other is a Nocturnal. The Nocturnal was used to keep time at night. By observing the stars, it was noted that certain boreal constellations rotated around the Pole Star as if a giant clock
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Best in 7 days
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Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 1120 reviews
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Product Reviews
★★★★★ 5
Quadruple BAM.
Format: Paperback
Quadruple BAM. Josh Starmer has done it again at a higher level than ever, making deep learning concepts accessible to absolutely anyone.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 22, 2025
★★★★★ 5
Amazing textbook
Format: Paperback
Awesome book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 12, 2025
★★★★★ 5
Buen libro para entender conceptos de redes neuronales
Format: Paperback
El libro explica de manera didáctica los principales algoritmos de redes neuronales estilo Statquest. Esperando la versión en español.
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Visual learners will love this
Format: Paperback
This book is amazing for the visual learner! I've taken numerous online classes that use animated videos to explain deep learning concepts visually, but this book accomplishes the same thing in print! I've also purchased deep learning books with pages and pages of formulas and hardly any illustrations. My brain can't process symbolic math without a picture. Kudos on creating something truly unique and super valuable.
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Reviewed in the United States on February 15, 2025
★★★★★ 4
Worth it,
Format: Paperback
Too tedious to state my complaints, but it is in full color and statsquach is in there.
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Reviewed in the United States on February 13, 2026
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