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Melvil Decimal System: 522.2

Wording: Mathematics and Science > Astronomy > Telescopes and handbooks > Telescopes (See also 535.83 Optics)

Dewmoji: đŸ”Ŧ > 🌌 > 🌃 > ?

0
Information
196,271
ℹī¸
1
Philosophy and Psychology
182,817
💭
2
Religion
463,618
🙏đŸŊ
3
Social Sciences
1,017,722
đŸ‘Ģ
4
Language
130,463
đŸ’Ŧ
5
Mathematics and Science
322,970
đŸ”Ŧ
6
Technology
751,858
💡
7
Arts and Recreation
695,836
🎨
8
Literature
929,792
📚
9
Biography and History
592,368
đŸ—ŋ
50
General Science
24,934
đŸ”Ŧ
51
Mathematics
61,944
➗
52
Astronomy
17,388
🌌
53
Physics
34,172
🍎
54
Chemistry
22,053
⚗
55
Earth sciences & geology
28,173
🌎
56
Fossils & prehistoric life
6,394
💀
57
Life Sciences
45,977
🐠
58
Botany
17,698
đŸŒŋ
59
Zoology
64,237
đŸŧ
520
Astronomy
4,261
🔭
521
Celestial Mechanics
288
⚙
522
Telescopes and handbooks
1,117
🌃
523
Astronomical objects and astrophysics
8,728
🌌
524
Maps and Observations [No longer in use]
48
525
Earth
441
🌍
526
Geodesy
1,341
🌐
527
Celestial Navigation
101
đŸ—ē
528
Ephemerides; Nautic almanacs
157
📒
529
Chronology
906
âŗ
522.0
47
522.1
Observatories
114
522.2
Telescopes (See also 535.83 Optics)
277
522.3
Meridional instruments
1
522.4
Extra meridional instruments
19
522.5
Auxiliary instruments
7
522.6
Auxiliary observations
341
522.7
Spheric astronomy (See also 514.6)
20
522.8
Computation for Astronomy
30
522.9
Corrections
522.20
22
522.21
Reflecting
2
522.22
Refracting
522.23
Eye piece and accessories
522.24
Object glass
522.25
Mounting, tube, etc.
522.26
Equatorial mounting
522.27
Transit mounting
522.28
Observing chairs, etc.
522.29
Famous telescopes
84

Works under MDS 522.2

1–50 of 263 ( next )titles | covers | shelf
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Wording

1922 Edition
Modern language
Emoji

"Far Friends"

MDS classes with significant recommendations overlap, excluding ones under the same top-level class.

None

What is MDS?

Melvil stands for "Melvil Decimal System," named after Melvil Dewey, the famous librarian. Melvil Dewey invented his Dewey Decimal System in 1876, and early versions of his system are in the public domain.

More recent editions of his system are in copyright, and the name "Dewey," "Dewey Decimal," "Dewey Decimal Classification" and "DDC" are registered trademarked by OCLC, who publish periodic revisions.

LibraryThing's MDS system is based on the classification work of libraries around the world, whose assignments are not copyrightable. MDS "scheduldes" (the words that describe the numbers) are user-added, and based on public domain editions of the system.

The Melvil Decimal System is NOT the Dewey Decimal System of today. Wordings, which are entered by members, can only come from public domain sources. The base system is the Free Decimal System, a public domain classification created by John Mark Ockerbloom. Where useful or necessary, wording comes from the 1922 edition of the Dewey Decimal System. Language and concepts may be changed to fit modern tastes, or to better describe books cataloged. Wordings may not come from in-copyright sources.

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