Skip to main content

MDS621.3090

Wording: TechnologyEngineering and allied operationsApplied physicsElectrical, magnetic, optical, communications, computer engineering; electronics, lightingElectric power plantBiography; History By PlaceNot set

Dewmoji: 💡🔩🏭????

0 Information 216,948 ℹ️	1 Philosophy and Psychology 229,419 💭	2 Religions 562,779 🙏	3 Social sciences 1,169,921 👫	4 Language 177,109 💬	5 Natural sciences and mathematics 380,441 🔬	6 Technology 844,132 💡	7 The arts 857,504 🎨	8 Literature 1,201,263 📚	9 History and Geography 703,933 🗺️
60 General Technology 8,586 💡	61 Medicine and health 277,111 💉	62 Engineering and allied operations 140,868 🔩	63 Agriculture & related technologies 78,723 🌱	64 Home and family management 152,587 🏠	65 Management and auxiliary services 131,640 👔	66 Chemical Technology 17,794 🚀	67 Manufacturing 7,692 📦	68 Manufacture of products for specific uses 18,201 🔨	69 Building 10,930 👷
620 Engineering 19,566 🔩	621 Applied physics 42,616 🏭	622 Mining Engineering and Mines and Mineral Resources 3,424 🕳	623 Military Engineering and Marine Engineering 13,937 ⚓	624 Civil Engineering 7,390 🌉	625 Road and Railroad 5,150 🛤	626 unassigned since 1911 7th Edition (was Canal Engineering) 72 🤷	627 Hydraulic Engineering 1,678 🌊	628 Sanitary; Municipal 6,571 🚽	629 Other Branches 40,464 🌿
621.0 1,143	621.1 Steam engineering 567	621.2 Hydraulic machinery 238	621.3 Electrical, magnetic, optical, communications, computer engineering; electronics, lighting 30,327	621.4 Heat engineering 3,663	621.5 Pneumatic machinery and Compressed air and Refrigeration and refrigerating machinery 415	621.6 Fans (Machinery) and Pumping machinery 142	621.7 Production engineering and Factories and Machine-shop practice 155	621.8 Machine Engineering 2,398	621.9 Machine-tools 1,300
621.30 Electric power plant 418	621.31 Generation, modification, storage, transmission of electric power 4,466	621.32 Lighting 356	621.33 Electric Railways 41	621.34 Magnets and Electromagnets 107	621.35 Batteries and Superconductivity 32	621.36 Optical engineering 2,657	621.37 Electrical Measurement Instruments 133	621.38 Electronics, communications engineering 18,275	621.39 Computer engineering 2,189
621.300 6	621.301 30	621.302 97	621.303 18	621.304	621.305 4	621.306 8	621.307 65	621.308 3	621.309 Biography; History By Place 183
621.3090 3	621.3091	621.3092 Biography 163	621.3093	621.3094	621.3095	621.3096 Africa 1	621.3097 North America 4	621.3098	621.3099
621.30900	621.30901	621.30902	621.30903 1	621.30904 2	621.30905	621.30906	621.30907	621.30908	621.30909

Selected Works under MDS 621.3090 (3)

Dawn of the Electronic Age: Electrical Technologies in the Shaping of the Modern World, 1914 to 1945 by Frederik Nebeker

Related Tags

1920s (1) 1930s (1) E (1) electrical engineering (1) electronic engineering (1) history (1) history of technology (1) radio (1) social history (1) unsortedISBN (1) WWI (1) WWII (1)

"Far Friends"

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

None

Wording

1922 Edition

Modern Language

Emoji

What is the MDS?

The Melvil Decimal System (MDS) is named after Melvil Dewey, whose Dewey Decimal System is used by libraries around the world.

Verdana Standard Verdana Small The Lorax System Standard System Large Georgia Large Text Atkinson

This site uses cookies to deliver our services, improve performance, for analytics, and (if not signed in) for advertising. By using LibraryThing you acknowledge that you have read and understand our Terms of Service and Privacy Policy. Your use of the site and services is subject to these policies and terms.