MDS621.384187
Wording: Technology and Application of KnowledgeEngineering and allied operationsApplied physicsElectrical, magnetic, optical, communications, computer engineering; electronics, lightingElectronics, communications engineeringRadar, RadioAmateur radioNot setNot set
Dewmoji: 💡🔩🏭??????
0 Information 208,584 ℹ️ | 1 Philosophy and Psychology 217,947 💭 | 2 Religions 546,769 🙏 | 3 Social sciences 1,133,842 👫 | 4 Language 165,887 💬 | 5 Natural sciences and mathematics 364,055 🔬 | 6 Technology and Application of Knowledge 812,112 💡 | 7 The arts 820,777 🎨 | 8 Literature 1,159,750 📚 | 9 History and Geography 679,534 🗺️ |
60 General Technology 7,705 💡 | 61 Medicine and health 267,282 💉 | 62 Engineering and allied operations 135,591 🔩 | 63 Agriculture & related technologies 75,965 🌱 | 64 Home and family management 147,559 🏠 | 65 Management and auxiliary services 127,319 👔 | 66 Chemical Technology 16,741 🚀 | 67 Manufacturing 6,974 📦 | 68 Manufacture of products for specific uses 17,079 🔨 | 69 Building 9,897 👷 |
620 Engineering 18,905 🔩 | 621 Applied physics 41,260 🏭 | 622 Mining Engineering and Mines and Mineral Resources 3,232 🕳 | 623 Military Engineering and Marine Engineering 13,476 ⚓ | 624 Civil Engineering 7,162 🌉 | 625 Road and Railroad 4,920 🛤 | 626 unassigned since 1911 7th Edition (was Canal Engineering) 51 🤷 | 627 Hydraulic Engineering 1,622 🌊 | 628 Sanitary; Municipal 6,323 🚽 | 629 Other Branches 38,640 🌿 |
621.0 1,098 | 621.1 Steam engineering 559 | 621.2 Hydraulic machinery 237 | 621.3 Electrical, magnetic, optical, communications, computer engineering; electronics, lighting 29,518 | 621.4 Heat engineering 3,560 | 621.5 Pneumatic machinery and Compressed air and Refrigeration and refrigerating machinery 403 | 621.6 Fans (Machinery) and Pumping machinery 139 | 621.7 Production engineering and Factories and Machine-shop practice 114 | 621.8 Machine Engineering 2,325 | 621.9 Machine-tools 1,245 |
621.30 411 | 621.31 Generation, modification, storage, transmission of electric power 4,326 | 621.32 Lighting 344 | 621.33 Electric Railways 38 | 621.34 Magnets and Electromagnets 103 | 621.35 Batteries and Superconductivity 28 | 621.36 Optical engineering 2,597 | 621.37 Electrical Measurement Instruments 120 | 621.38 Electronics, communications engineering 17,843 | 621.39 Computer engineering 2,129 |
621.380 Light current engineering 215 | 621.381 Electronics 7,957 | 621.382 Communications 3,658 | 621.383 Telegrapy 34 | 621.384 Radar, Radio 3,218 | 621.385 Telephony 305 | 621.386 Telephone terminal equipment 46 | 621.387 Telephone transmission equipment 22 | 621.388 Television 685 | 621.389 Audio, sound engineering 900 |
621.3840 88 | 621.3841 Amateur radio 1,210 | 621.3842 18 | 621.3843 4 | 621.3844 1 | 621.3845 681 | 621.3846 5 | 621.3847 | 621.3848 Radar 333 | 621.3849 |
621.38410 5 | 621.38411 58 | 621.38412 56 | 621.38413 182 | 621.38414 | 621.38415 57 | 621.38416 219 | 621.38417 8 | 621.38418 67 | 621.38419 104 |
621.384180 5 | 621.384181 | 621.384182 | 621.384183 | 621.384184 | 621.384185 | 621.384186 | 621.384187 6 | 621.384188 | 621.384189 |
Selected Works under MDS 621.384187 (6)
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 |