MDS 621
Wording: Applied science & technology Engineering Applied physics
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 |
Selected Works under MDS 621 (47,082)
2,000 items
![The Boy Who Harnessed the Wind [Young Readers Edition]](https://ecx.images-amazon.com/images/P/0147510422.01._SX100_SY200_SCRM_.jpg)
- Steve Jobs by Walter Isaacson
- The Boy Who Harnessed the Wind: Creating Currents of Electricity and Hope by William Kamkwamba
- The Magic School Bus and the Electric Field Trip by Joanna Cole
- The Boy Who Harnessed the Wind [Young Readers Edition] by William Kamkwamba
- Tesla: Man Out of Time by Margaret Cheney
- The Story of Thomas Alva Edison, Inventor: The Wizard of Menlo Park by Margaret Davidson
- Who Was Thomas Alva Edison? by Margaret Frith
- iWoz: Computer Geek to Cult Icon: How I Invented the Personal Computer, Co-Founded Apple, and Had Fun Doing It by Steve Wozniak
- The Art of Electronics by Paul Horowitz
- Tom Edison: Boy Inventor by Sue Guthridge
- A Museum of Early American Tools by Eric Sloane
- The Inventions, Researches, and Writings of Nikola Tesla by Nikola Tesla
- One Good Turn: A Natural History of the Screwdriver and the Screw by Witold Rybczynski
- Make: Electronics - A Hands-on Primer for the New Electronics Enthusiast by Charles Platt
- The Story of Thomas Alva Edison by Margaret Cousins
- My Inventions: The Autobiography of Nikola Tesla by Nikola Tesla
- The Boy Who Harnessed the Wind: Picture Book Edition by William Kamkwamba
- Wizard: The Life and Times of Nikola Tesla: Biography of a Genius by Marc Seifer
- What Do Wheels Do All Day? by April Jones Prince
- Edison by Edmund Morris
Related Tags
"Far Friends"
MDS classes with significant recommendations overlap, excluding ones under the same top-level class.
- MDS
- Schedule
- 005.43
- Computer science, information & general works Computer science, knowledge & systems Artificial Intelligence/Virtual Reality Systems programming and programs Systems programs
- 005.13
- Computer science, information & general works Computer science, knowledge & systems Artificial Intelligence/Virtual Reality Software development Computer programming
- 537
- Natural sciences & mathematics Physics Electricity
- 005.1
- Computer science, information & general works Computer science, knowledge & systems Artificial Intelligence/Virtual Reality Software development
- 005.4
- Computer science, information & general works Computer science, knowledge & systems Artificial Intelligence/Virtual Reality Systems programming and programs
- 004.1
- Computer science, information & general works Computer science, knowledge & systems Computer science General works on specific types of computers
- 004.16
- Computer science, information & general works Computer science, knowledge & systems Computer science General works on specific types of computers Personal Computers
- 531
- Natural sciences & mathematics Physics Classical mechanics
- 005.44
- Computer science, information & general works Computer science, knowledge & systems Artificial Intelligence/Virtual Reality Systems programming and programs Operating systems for specific types of computers
- 004.6
- Computer science, information & general works Computer science, knowledge & systems Computer science Interfacing and communications (including networking)
- 001.64
- Computer science, information & general works Computer science, knowledge & systems Knowledge and learning in general [Formerly: Data Processing] [formerly : Electronic]
- 001.6
- Computer science, information & general works Computer science, knowledge & systems Knowledge and learning in general [Formerly: Data Processing]
- 530.1
- Natural sciences & mathematics Physics Physics Theoretical Physics
- 005.8
- Computer science, information & general works Computer science, knowledge & systems Artificial Intelligence/Virtual Reality Computer Security
- 004
- Computer science, information & general works Computer science, knowledge & systems Computer science
- 005
- Computer science, information & general works Computer science, knowledge & systems Artificial Intelligence/Virtual Reality
- 530
- Natural sciences & mathematics Physics Physics
- 53X
- Natural sciences & mathematics Physics
- 00X
- Computer science, information & general works Computer science, knowledge & systems
- 515
- Natural sciences & mathematics Mathematics Analysis
Wording
| 1922 Edition |
| Modern Language |
| Emoji |