Library of Congress Classification System

T - Technology

Detailed Call Number Ranges for Section: T - Technology

  

T	1-995	General Technology.
	10.5-11.9	Communication of Technical Information
	11.95-12.5	Industrial Directories
	14.7-33	History of Technology
	44-51	General Works
	55-55.3	Industrial Satety, Industrial Accident Prevention
	55.4-60.8	Industrial Engineering, Management Engineering
	57-57.97	Applied Mathematics, Quantitative Methods
	57.6-57.97	Operations Research, Systems Analysis
	58.4	Managerial Control Systems
	58.5-58.64	Information Technology
	58.6-58.62	Management Information Systems
	58.7-58.8	Production Capacity, Manufacturing Capacity
	59-59.2	Standardization
	59.5	Automation
	59.7-59.77	Human Engineering in Industry, Man-Machine Systems
	60-60.8	Work Measurement, Methods Engineering
	61-173	Technical Education, Technical Schools
	173.2-174.5	Technological Change
	175-178	Industrial Research, Research and Development
	201-342	Patents, Trademarks
	351-385	Mechanical Drawing, Engineering Graphics
	391-995	Exhibitions, Trade Shows, World's Fairs
TA	1-2040	General Engineering, General Civil Engineering.
	164	Bioengineering
	165	Engineering Instruments, Meters, etc., Industrial Instrumentation
	166-167	Human Engineering
	168	Systems Engineering
	170-171	Environmental Engineering
	174	Engineering Design
	177.4-185	Engineering Economy
	190-194	Management of Engineering Works
	197-198	Engineering Meteorology
	213-215	Engineering Machinery, Tools, and Implements
	329-348	Engineering Mathematics, Engineering Analysis
	349-359	Mechanics of Engineering, Applied Mechanics
	365-367	Acoustics in Engineering, Acoustical Engineering
	401-492	Materials of Engineering and Construction, Mechanics of Materials
	495	Disasters and Engineering
	501-625	Surveying
	630-695	Structural Engineering (General)
	703-712	Engineering Geology. Rock and Soil Mechanics, Underground Construction
	715-787	Foundations, Earthwork
	800-820	Tunnels, Tunneling
	1001-1280	Transportation Engineering (General)
	1501-1820	Applied Optics, Photonics
	2001-2040	Plasma Engineering, Applied Plasma Dynamics
TC	1-1800	Hydraulic and Ocean Engineering.
	1-978	Hydraulic Engineering
	160-181	Technical Hydraulics
	183-201	General Preliminary Operations, Dredging, Submarine Building
	203-380	Harbors and Coast Protective Works, Coastal Engineering, Lighthouses
	401-506	River, Lake, and Water-Supply Engineering (General)
	530-537	River Protective Works, Regulation, Flood Control
	540-558	Dams, Barrages
	601-791	Canals and Inland Navigation, Waterways
	801-978	Irrigation Engineering, Reclamation of Wasteland, Drainage
	1501-1800	Ocean Engineering
TD	1-1066	Environmental Technology, Sanitary Engineering.
	159-168	Municipal Engineering
	169-17185	Environmental Protection
	172-193.5	Environmental Pollution
	194-195	Environmental Effects of Industries and Plants
	201-500	Water Supply for Domestic and Industrial Purposes
	419-428	Water Pollution
	429.5-480.7	Water Purification, Water Treatment and Conditioning, Saline Water Conversion
	481-493	Water Distribution Systems
	511-780	Sewage Collection and Disposal Systems
	783-812.5	Municipal Refuse, Solid Wastes
	813-870	Street Cleaning, Litter and its Removal
	878-894	Special Types of Environmental Pollution (including soil, air, and noise pollution)
	895-899	Industrial and Factory Sanitation and Wastes
	920-934	Rural and Farm Sanitary Engineering
	940-949	Low Temperature Sanitary Engineering
	1020-1066	Hazardous Substances and Their Disposal
TE	1-450	Highway Engineering.
	175-176.5	Highway Design, Interchanges and Intersections
	177-178.8	Roadside Development, Landscaping
	200-205	Materials for Roadmaking
	206-209.5	Location Engineering
	210-228.3	Construction Details (including foundations, maintenance, equipment)
	250-278.8	Pavements and Paved Roads
	279	Streets
	279.5-298	Pedestrian Facilities
	280-295	Sidewalks, Footpaths, Flagging
	298	Curbs, Curbstones
TF	1-1620	Railroads.
	200-320	Railway Construction
	340-499	Railway Equipment and Supplies
	501-668	Railway Operation and Management
	670-851	Local and Light Railways
	840-851	Elevated Railways and Subways
	855-1127	Electric Railways
	1300-1620	High Speed Ground Transportation
TG	1-470	Bridge Engineering.
	21-127	Country Divisions
	215-255	Bridge Legislation and Laws (now Class K)
	327-418	Special Types of Bridges
	420-470	Bridges for Special Uses
TH	1-9745	Building Construction
	845-895	Architectural Engineering, Structural Engineering of Buildings
	900-915	Construction Equipment in Buildings
	1000-1725	Systems of Building Construction.
	2025-3000	Details in Building Design and Construction (including walls, roofs)
	3301-3411	Maintenance and Repair
	4021-4977	Buildings: Construction with Reference to Use (including public buildings, dwellings)
	5011-5701	Construction by Phase of Work
	6014-6081	Environmental Engineering of Buildings, Sanitary Engineering of Buildings
	6101-6887	Plumbing and Pipefitting
	7005-7699	Heating and Ventilation, Air Conditioning
	7700-7975	Illumination, Lighting
	8001-8581	Decoration and Decorative Furnishings
	9025-9745	Protection of Buildings (including protection from dampness, fire, burglary)
TJ	1-1570	Mechanical Engineering.
	163.12-163.25	Power Resources
	163.26-163.5	Energy Conservation
	170-179	Mechanics Applied to Machinery, Dynamics
	181-210	Mechanical Movements
	210.2-211.47	Mechanical Devices and Figures, Automata, Ingenious Mechanisms, Robots (General)
	212-225	Control Engineering Systems, Automatic Machinery (General)
	227-240	Machine Design and Drawing
	241-254.7	Machine Construction (General)
	255-265	Heat Engines
	266-267.5	Turbines, Turbomachines (General)
	268-740	Steam Engineering
	603-695	Locomotives
	751-805	Miscellaneous Motors and Engines (including gas, gasoline, diesel engines)
	807-830	Renewable Energy Sources
	836-927	Hydraulic Machinery
	940-940.5	Vacuum Technology
	950-1030	Pneumatic Machinery
	1040-1119	Machinery Exclusive of Prime Movers
	1125-1345	Machine Shops and Machine Shops Practice
	1350-1418	Hoisting and Conveying Machinery
	1425-1475	Lifting and Pressing Machinery
	1480-1496	Agricultural Machinery, Farm Machines
	1501-1519	Sewing Machines
TK	1-9971	Electrical Engineering, Electronics, Nuclear Engineering.
	301-399	Electric Meters
	452-454.4	Electric Apparatus and Materials, Electric Circuits, Electric Networks
	1001-1841	Production of Electric Energy or Power, Powerplants, Central Stations
	2000-2891	Dynamoelectric Machinery and Auxiliaries (including generators, transformers, motors)
	2896-2985	Production of Electricity by Direct Electricity Conversion
	3001-3521	Distribution or Transmission of Electric Power
	4001-4102	Applications of Electric Power
	4125-4399	Electric Lighting
	4601-4661	Electric Heating
	5101-6720	Telecommunication (including telegraphy, telephone, radio, radar, television)
	7800-8360	Electronics
	7885-7895	Computer Engineering, Computer Hardware
	8300-8360	Photoelectronic Devices (General)
	9001-9401	Nuclear Engineering, Atomic Power
	9900-9971	Electricity for Amateurs, Amateur Constructors' Manuals
TL	1-4050	Motor Vehicles, Aeronautics, Astronautics
	1-484	Motor Vehicles, Cycles
	500-777	Aeronautics, Aeronautical Engineering
	780-785.8	Rockets
	787-4050	Astronautics, Space Travel
TN	1-997	Mining Engineering, Metallurgy.
	165-205	Study and Teaching
	275-269	Mineral Deposits, Metallic Ore Deposits
	270-271	Prospecting
	275-325	Practical Mining Operations, Safety Measures
	400-580	Ore Deposits and Mining of Particular Metals
	600-799	Metallurgy
	799.5-948	Nonmetallic Minerals
	950-997	Building and Ornamental Stones
TP	1-1185	Chemical Technology.
	155-156	Chemical Engineering
	200-248	Manufacture and Use of Chemicals
	248.13-248.65	Biotechnology
	250-261	Industrial Electrochemistry
	267.5-301	Explosives and Pyrotechnics
	315-360	Fuel
	368-456	Food Processing and Manufacture
	480-498	Low Temperature Engineering, Cyrogenic Engineering, Refrigeration
	500-660	Fermentation Industries, Beverages, Alcohol
	670-699	Oils, Fats, and Waxes
	690-692.4	Petroleum Refining and Products
	751-762	Gas Industry
	785-869	Ceramics, Clay Industries, Glass
	875-888	Cement Industries
	890-933	Textile Bleaching, Dyeing, Printing, etc.
	934-945	Paints, Pigments, Varnishes, etc.
	1080-1185	Polymers, Plastics
TR	1-1050	Photography.
	250-265	Cameras
	287-500	Photographic Processing
	504-508	Transparencies, Diapositives
	510-545	Color Photography
	550-581	Studio and Laboratory
	590-620	Lighting
	624-835	Applied Photography
	845-899	Cinematography, Motion Pictures
	925-1050	Photomechanical Processes
TS	1-2301	Manufactures.
	155-194	Production Management
	195-198.8	Packaging
	200-770	Metal Manufactures, Metalworking
	780-788	Stonework
	800-937	Wood Technology, Lumber
	840-915	Wood Products, Furniture
	920-937	Chemical Processing of Food
	940-1047	Leather Industries, Tanning
	1080-1268	Paper Manufacture and Trade, Woodpulp Industry
	1300-1865	Textile Industries
	1870-1935	Rubber Industry
	1950-1982	Animal Products
	2120-2159	Cereal, Grain and Flour, Milling Industry
	2220-2283	Tobacco Industry
	2284-2288	Animal Feeds and Feed Mills, Pet Food Industry
TT	1-999	Arts and Crafts, Handicrafts.
	161-170.7	Manual Training, Industrial Arts, School Shops
	174-176	Articles for Children
	180-200	Woodworking, Furniture Making, Upholstering
	201-203	Lathework, Turning
	205-267	Metalworking
	300-382.8	Painting, Industrial Painting, Wood Fininshing
	387-410	Soft Home Furnishings
	490-695	Clothing Manufacture, Dressmaking, Tailoring
	697-927	Home Arts, Home Crafts (including sewing, embroidery, decorative crafts)
	950-979	Hairdressing, Beauty Culture, Barbers' Work
	980-999	Laundry Work
TX	1-1107.4	Home Economics.
	301-329	The House: Logistics, Finance, Care
	341-641	Nutrition, Food and Food Supply
	643-840	Cookery
	851-885	Dining-Room Service
	901-946.5	Hospitality Industry, Hotels, Clubs, Restaurants, Food Service, etc.
	950-953	Taverns, Barrooms, Saloons
	955-985	Building Operation and Housekeeping
	1100-1105	Mobile Home Living
	1110	Recreational Vehicle Living