The Spitz Junior Planetarium (Manual)
The Spitz Junior Planetarium (Manual)
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Condition Notes: Shows moderate wear with a crease on the front cover. Pages are clean and in good shape. Binding is intact.
Author(s): Harmonic Reed Corporation
Publication year: 1954
Binding: Paperback
Language: Engish
Publisher: Harmonic Reed Corporation
ISBN:How To Use, Have Fun With, and Learn From the Spitz Junior Planetarium, this comprehensive instructional booklet accompanies a landmark mid-century educational device. Written with an enthusiastic, accessible tone tailored for students and amateur astronomers, the text guides users through the mechanical operations of a home pinhole star projector. The narrative breaks down practical adjustments for seasonal sky rotation, hemisphere alignments, and projection clarity, while providing historical context and mythological legends behind major constellations and stellar pathways. The guide serves as an important primary artifact of post-war science education, capturing the early space-age push to bring corporate and institutional astronomy out of expensive public dome theaters directly into the American living room.
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Book Condition Scale
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Like New
This book is in excellent condition and appears to have been read only once. The pages are clean and unmarked, with no creases or stains. The binding remains firm and tight. There may be minimal signs of shelf wear on the cover or dust jacket, but overall, the book looks and feels nearly new.
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Very Good
This book has been read but remains in great condition. It does not look new, yet there is no obvious damage to the cover. Wear and tear are minimal. The pages are clean, free of highlighting or notes, though it may contain identifying marks from a previous owner or bookstore.
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Good
This book shows moderate to heavy signs of wear that can include creases, stains or tears. The cover may have minimal damage, and the binding remains intact with slight wear. The majority of pages are undamaged, though there may be some highlighting, underlining, or notes. It may also contain identifying marks from a previous owner or bookstore.
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Acceptable
This book shows significant wear, which may include tears, large stains, creases, loose pages, and heavy notes, underlining, or highlighting. The binding may be loose but remains intact. While it has noticeable imperfections, it is still a complete and readable copy. Any major defects will be clearly noted in the listing.
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As Is
This book is visibly worn and may be heavily soiled, scuffed, stained, or spotted. It may have loose joints, hinges, or pages, and some text or pages may be missing. Large tears and other significant defects may be present. While still a readable copy, it shows substantial signs of use. Any major flaws will be clearly noted in the listing.
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Dust Jacket Grading
(A) Excellent
The dust jacket is in excellent condition, may show the slightest signs of shelf wear, if any.(B) Good
Shows minor shelf wear, usually along edges and may have a few light stains.(C) Fair
Displays moderate shelf wear, including some noticeable small tears, creasing and/or stains.(D) Poor
Contains large tears, several creases, and/or heavy staining.(F) As Is
Shows significant wear and tear. Majority of dust jacket is torn or missing. May contain heavy staining.
