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Melvil Decimal System: 522.1

Wording: Mathematics and Science > Astronomy > Telescopes and handbooks > Observatories

Dewmoji: ๐Ÿ”ฌ > ๐ŸŒŒ > ๐ŸŒƒ > ?

0
Information
196,271
โ„น๏ธ
1
Philosophy and Psychology
182,817
๐Ÿ’ญ
2
Religion
463,618
๐Ÿ™๐Ÿฝ
3
Social Sciences
1,017,722
๐Ÿ‘ซ
4
Language
130,463
๐Ÿ’ฌ
5
Mathematics and Science
322,970
๐Ÿ”ฌ
6
Technology
751,858
๐Ÿ’ก
7
Arts and Recreation
695,836
๐ŸŽจ
8
Literature
929,792
๐Ÿ“š
9
Biography and History
592,368
๐Ÿ—ฟ
50
General Science
24,934
๐Ÿ”ฌ
51
Mathematics
61,944
โž—
52
Astronomy
17,388
๐ŸŒŒ
53
Physics
34,172
๐ŸŽ
54
Chemistry
22,053
โš—
55
Earth sciences & geology
28,173
๐ŸŒŽ
56
Fossils & prehistoric life
6,394
๐Ÿ’€
57
Life Sciences
45,977
๐Ÿ 
58
Botany
17,698
๐ŸŒฟ
59
Zoology
64,237
๐Ÿผ
520
Astronomy
4,261
๐Ÿ”ญ
521
Celestial Mechanics
288
โš™
522
Telescopes and handbooks
1,117
๐ŸŒƒ
523
Astronomical objects and astrophysics
8,728
๐ŸŒŒ
524
Maps and Observations [No longer in use]
48
525
Earth
441
๐ŸŒ
526
Geodesy
1,341
๐ŸŒ
527
Celestial Navigation
101
๐Ÿ—บ
528
Ephemerides; Nautic almanacs
157
๐Ÿ“’
529
Chronology
906
โณ
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
522.10
6
522.11
General plan, location
522.12
Material and mechanism of dome, drum, etc.
522.13
Transit buildings, wings, etc.
522.14
High altitude observatories
522.15
Portable
522.16522.17522.18522.19
History, reports and serial publications of observatories
84

Works under MDS 522.1

1–50 of 103 ( 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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