MDS621.809

Wording: Applied science & technologyEngineeringApplied physicsMachine EngineeringNot setNot set

Dewmoji: ๐Ÿ’ก๐Ÿ”ฉ๐Ÿญ???

0
Computer science, information & general works
252,013
โ„น๏ธ
1
Philosophy & psychology
270,129
🧠
2
Religion
681,242
๐Ÿ™
3
Society, government, & culture
1,328,382
๐Ÿ‘ซ
4
Language
209,883
๐Ÿ’ฌ
5
Natural sciences & mathematics
431,918
๐Ÿ”ฌ
6
Applied science & technology
940,635
๐Ÿ’ก
7
Arts & recreation
1,031,850
๐ŸŽจ
8
Literature & rhetoric
1,436,736
๐Ÿ“š
9
History & geography
837,760
๐Ÿ—บ๏ธ
60
Technology
9,943
๐Ÿ’ก
61
Medicine & health
306,082
๐Ÿ’‰
62
Engineering
157,979
๐Ÿ”ฉ
63
Agriculture
88,093
๐ŸŒฑ
64
Home economics & family management
172,237
๐Ÿ 
65
Management & public relations
145,064
๐Ÿ‘”
66
Chemical engineering
19,470
๐Ÿš€
67
Manufacturing
8,724
๐Ÿ“ฆ
68
Manufacture for specific uses
20,805
๐Ÿ”จ
69
Buildings
12,238
๐Ÿ‘ท
620
Mechanical & Civil Engineering
21,480
๐Ÿ”ฉ
621
Applied physics
47,082
๐Ÿญ
622
Mining and related operations
3,895
๐Ÿ•ณ
623
Military Vehicles: Land, Air, & Sea
15,890
โš“
624
Bridges & Tunnels
8,105
๐ŸŒ‰
625
Railroads, Subways, Roads
6,655
๐Ÿ›ค
626
[Formerly: Canal Engineering]
83
627
Dams, Lighthouses, Drilling Platforms
1,873
๐ŸŒŠ
628
Water Treatment & Waste Disposal
7,319
๐Ÿšฝ
629
Transportation Vehicles
45,597
๐ŸŒฟ
621.0
1,207
621.1
Steam engineering
687
621.2
Hydraulic machinery
291
621.3
Electronics & Computers
33,501
621.4
Engines, Power Plants, Tools
4,105
⚙️
621.5
Pneumatic machinery and Compressed air and Refrigeration and refrigerating machinery
454
621.6
Fans (Machinery) and Pumping machinery
161
621.7
Production engineering and Factories and Machine-shop practice
182
621.8
Machine Engineering
2,644
621.9
Machine-tools
1,518
621.80
59
621.81
Principles of mechanism
262
621.82
Journals, shafting, etc.
90
621.83
Gears, ratchets, cams
47
621.84
Valve motions and gears
18
621.85
Machinery and mill gearing
14
621.86
Hoisting and conveying machinery
187
621.87
Cranes and elevators
24
621.88
Fastenings
37
621.89
Lubricants. Friction.
147
621.800
2
621.801
1
621.802
22
621.803
1
621.804
621.805
1
621.806
2
621.807
9
621.808
2
621.809
19
621.8090
1
621.8091
621.8092
2
621.8093
3
621.8094
2
621.8095
2
621.8096
621.8097
621.8098
621.8099

Selected Works under MDS 621.809 (19)

19 items
Fifty Machines that Changed the Course of History
Machinery and Mechanical Devices: A Treasury of Nineteenth-Century Cuts
Engines of the Imagination: Renaissance Culture and the Rise of the Machine
A Brief Illustrated History of Machines and Mechanisms (History of Mechanism and Machine Science)
Ancient MACHINE Technology : From Wheels to Forges
The Italian Renaissance of machines
Leonardo da Vinci: Man-Inventor-Genius
History of Machines for Heritage and Engineering Development
Le macchine nel mondo antico Dalle civiltร  mesopotamiche a Roma imperiale
The sources of capital goods innovation : the role of user firms in Japan and Korea
Power before steam
Le macchine nel mondo antico. Dalle civiltร  mesopotamiche a Roma imperiale
Uomini e macchine: storia delle innovazioni tecniche dai primordi a tutto il secolo 19. Vol.1
Uomini e macchine: storia delle innovazioni tecniche dai primordi a tutto il secolo 19. Vol.2 Parte 1
Reconstruction Designs of Lost Ancient Chinese Machinery (History of Mechanism and Machine Science)
Uomini e macchine: storia delle innovazioni tecniche dai primordi a tutto il secolo 19. Vol.2 Parte 2
Machines through the Ages: From Furnaces to Factories (Technology through the Ages)
Machines through the Ages: From Furnaces to Factories (Technology through the Ages)
Exhibit Catalog of the Da Vinci Experience

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"Far Friends"

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

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Wording

1922 Edition
Do NOT copy from the copyrighted sources. 1922 edition here, in absurd phonetic English. Use standard spelling.
Modern Language
Modern wording should be based on the Free Decimal System, on the 1922 edition of Dewey, or on the items cataloged under that MDS number. Do not take your wording from an in-copyright source.
Emoji
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