MDS 621.38806
Wording: Applied science & technology Engineering Applied physics Electronics & Computers Electronics, communications engineering Television Not set High-Definition Television (HDTV)
Dewmoji: 💡🔩🏭?????
0 Computer science, information & general works 252,013 ℹ️ | 1 Philosophy & psychology 270,129 🧠 | 2 Religion 681,242 🙏 | 3 Society, government, & culture 1,328,382 👫 | 4 Language 209,883 💬 | 5 Natural sciences & mathematics 431,918 🔬 | 6 Applied science & technology 940,635 💡 | 7 Arts & recreation 1,031,850 🎨 | 8 Literature & rhetoric 1,436,736 📚 | 9 History & geography 837,760 🗺️ |
60 Technology 9,943 💡 | 61 Medicine & health 306,082 💉 | 62 Engineering 157,979 🔩 | 63 Agriculture 88,093 🌱 | 64 Home economics & family management 172,237 🏠 | 65 Management & public relations 145,064 👔 | 66 Chemical engineering 19,470 🚀 | 67 Manufacturing 8,724 📦 | 68 Manufacture for specific uses 20,805 🔨 | 69 Buildings 12,238 👷 |
620 Mechanical & Civil Engineering 21,480 🔩 | 621 Applied physics 47,082 🏭 | 622 Mining and related operations 3,895 🕳 | 623 Military Vehicles: Land, Air, & Sea 15,890 ⚓ | 624 Bridges & Tunnels 8,105 🌉 | 625 Railroads, Subways, Roads 6,655 🛤 | 626 [Formerly: Canal Engineering] 83 | 627 Dams, Lighthouses, Drilling Platforms 1,873 🌊 | 628 Water Treatment & Waste Disposal 7,319 🚽 | 629 Transportation Vehicles 45,597 🌿 |
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 |
621.30 Electric power plant 436 | 621.31 Generation, modification, storage, transmission of electric power 5,025 | 621.32 Lighting 393 | 621.33 Electric Railways 50 | 621.34 Magnets and Electromagnets 121 | 621.35 Batteries and Superconductivity 40 | 621.36 Optical engineering 2,905 | 621.37 Electrical Measurement Instruments 156 | 621.38 Electronics, communications engineering 20,091 | 621.39 Computer engineering 2,322 |
621.380 Light current engineering 149 | 621.381 Electronics 8,998 | 621.382 Communications 4,017 | 621.383 Telegrapy 40 | 621.384 Radar, Radio 3,694 | 621.385 Telephony 334 | 621.386 Telephone terminal equipment 51 | 621.387 Telephone transmission equipment 28 | 621.388 Television 756 | 621.389 Audio, sound engineering 1,031 |
621.3880 53 | 621.3881 3 | 621.3882 | 621.3883 75 | 621.3884 | 621.3885 15 | 621.3886 4 | 621.3887 1 | 621.3888 35 | 621.3889 1 |
621.38800 27 | 621.38801 | 621.38802 | 621.38803 | 621.38804 6 | 621.38805 | 621.38806 High-Definition Television (HDTV) 3 | 621.38807 Digital Television 17 | 621.38808 | 621.38809 |
621.388060 | 621.388061 | 621.388062 | 621.388063 | 621.388064 | 621.388065 | 621.388066 1 | 621.388067 | 621.388068 | 621.388069 |
Selected Works under MDS 621.38806 (3)
Related Tags
"Far Friends"
MDS classes with significant recommendations overlap, excluding ones under the same top-level class.
None
Wording
| 1922 Edition |
| Modern Language |
| Emoji |