Conspectus
| Call Number Range | Subject | Level |
| T TECHNOLOGY | ||
| T1 - 54 | TECHNOLOGY-GENERAL | 2 |
| T55- 60 | INDUSTRIAL SAFETY & INDUSTRIAL ENGINEERING | 2 |
| T61 - 174 | TECHNICAL EDUCATION, INNOVATION & TECHNOLOGY TRANSFER | 2 |
| T175 -342 | INDUSTRIAL RESEARCH & PATENTS | 2 |
| T351 - T385 | MECHANICAL DRAWING & COMPUTER GRAPHICS | 3A |
| TA GENERAL ENGINEERING | ||
| TA1 - 163 | ENGINEERING-GENERAL | 2 |
| TA165 - 167 | INSTRUMENTSS, ERGONOMICS, &SYSTEMS | 2 |
| TA170 -171 | ENVIRONMENTAL ENGINEERING | 2 |
| TA174 | ENGINEERING DESIGN | 3A |
| TA178 - 194 | ENGINEERING ECONOMY & MANAGEMENT | 2 |
| TA197 - 198 | ENGINEERING METROLOGY | 2 |
| TA221 - 326 | ENGINEERING LAW | 1 |
| TA329 - 348 | ENGINEERING MATHEMATICS | 3A |
| TA349 - 367 | ENGINEERING MECHANICS & ACOUSTICS | 3A |
| TA368 | STANDARDS | 2 |
| TA401 - 492 | ENGINEERING MATERIALS | 3A |
| TA501 - 690 | SURVEYING | 2 |
| TA630 - 690 | STRUCTURAL ENGINEERING | 3A |
| TA705 - 820 | GEOTECHNICAL ENGINEERING | 3A |
| TA1001- 1280 | TRANSPORTATION ENGINEERING | 3A |
| TA1501 - 1632 | APPLIED OPTICS & IMAGE PROCESSING | 2 |
| TA2001 - 2030 | PLASMA ENGINEERING | 2 |
| TC HYDRAULIC ENGNEERING | ||
| TC1 - 181 | HYDRAULIC ENGINEERING-GENERAL | 2 |
| TC187 - 201 | DREDGING, BLASTING, & DRILLING | 1 |
| TC203 - 383 | HARBORS & COASTS | 1 |
| TC401 - 526 | RIVER & LAKE ENGINEERING | 1 |
| TC530 - 771 | RIVER WORKS, FLOOD CONTROL, & DAMS | 2 |
| TC801 - 978 | IRRIGATION ENGINEERING | 3B |
| TD ENVIRONMENTAL ENGINEERING | ||
| TD1 - 167 | SANITARY & MUNICIPAL ENGINEERING | 2 |
| TD172 - 196 | ENVIRONMENTAL POLLUTION | 3A |
| TD201 - 500 | WATER SUPPLY ENGINEERING | 2 |
| TD511 - 780 | SEWAGE COLLECTION & DISPOSAL SYSTEMS | 2 |
| TD785 - 870 | MUNICIPAL REFUSE | 2 |
| TD878 - 893 | SPECIAL TYPES OF POLLUTION | 3A |
| TD895 - 899 | INDUSTRIAL & FACTORY SANITATION | 2 |
| TD920 - 929 | RURAL SANITARY ENGINEERING | 2 |
| TD930 - 939 | AGRICULTURAL WASTES | 3B |
| TE HIGHWAY ENGINEERING | ||
| TE1 - 155 | HIGHWAY ENGINEERING-GENERAL | 3A |
| T3175 | HIGHWAY DESIGN | 2 |
| TE177 - 191 | ROADSIDE DVELOPMENT, COST & SPECIFICATIONS | 2 |
| TE200 - 205 | MATERIALS FOR ROADMAKING | 3A |
| TE206 - 227 | SURVEYING & CONSTRUCTION | 2 |
| TE230 - 279 | ROADS & STREETS | 2 |
| TE280 - 305 | SIDEWALKS, CURBS, BIKE PATHS & TRAILS | 1 |
| TF RAILROAD ENGINEERING | ||
| TF1 - 1620 | RAILROAD ENGINEERING | 1 |
| TG BRIDGE ENGINEERING | ||
| TG1 - 470 | BRIDGE ENGINEERING | 1 |
| TH BUILDING CONSTRUCTION | ||
| TH1 - 845 | BUILDING CONSTRUCTION - GENERAL | 2 |
| TH846 - 895 | ARCHITECTURAL ENGINEERING | 2 |
| TH900 - 915 | CONSTRUCTION EQUIPMENT | 1 |
| TH1061 - 1725 | SYSTEMS OF BUILDING CONSTRUCTION | 2 |
| TH2031 - 3000 | DESIGN AND CONSTRUCTION | 2 |
| TH3301 -3411 | MAINTENANCE & REPAIR | 1 |
| TH4021 - 4970 | BUILDINGS & DWELLINGS-USE | 2 |
| TH4911- 4970 | FARM BUILDINGS | 4 |
| TH5011 - 5701 | BUILDING TRADES | 2 |
| TH6010 - 6887 | ENVIRONMENTAL ENGINEERING OF BUILDINGS | 2 |
| TH7005 - 7699 | HEATING, VENILATION, & AIR CONDITIONING | 2 |
| TH7700 - 8581 | LIGHTING & DECORATION | 1 |
| TH9024 - 9745 | PROTECTION OF BUILDINGS | 2 |
| TJ MECHANICAL ENGINEERING | ||
| TJ1 - 169 | MECHANCIAL ENGINEERING & MACHINERY-GENERAL | 3A |
| TJ170 - 210 | MECHANICS, DYNAMICS, & MECHANICAL MOVEMENT | 3A |
| TJ211 | AUTOMATA, ROBOTS | 2 |
| TJ212 - 225 | CONTROL ENGINEERING | 3A |
| TJ255 - 695 | HEAT ENGINES, TURBINES, STEAM ENGINEERING | 2 |
| TJ751 - 830 | MOTORS & ENGINES | 3A |
| TJ840 - 935 | HYDRAULIC MACHINES | 2 |
| TJ940 - 1030 | MACHINERY | 3A |
| TJ1040 -1119 | MACHINE SHOPS & TOOLS | 2 |
| TJ1125 - 1345 | HOISTING, CONVEYING, LIFTING & PRESSING MACHINERY | 2 |
| TJ1480 - 1496 | AGRICULTURAL MACHINERY | 3A |
| TK ELECTRICAL ENGINEERING | ||
| TK1 - 300 | ELECTRICAL ENGINEERING-GENERAL | 2 |
| TK301 - 454 | ELECTRICAL APPARATUS (CIRCUITS & NETWORKS) | 3A |
| TK1001 - 1841 | PRODUCTION OF ELECTRICITY | 2 |
| TK2000 - 2841 | DYNAMO ELECTRIC MACHINES | 3A |
| TK2896 - 2970 | PRODUCTION OF ELECTRICITY BY DIRECT ENERGY CONVERSION | 2 |
| TK3001 - 3511 | DISTRIBUTION OF ELECTRIC POWER | 2 |
| TK4001 - 4299 | APPLICATIONS OF ELECTRIC POWER | 2 |
| TK4601 - 4661 | ELECTRIC HEATING | 1 |
| TK5101 - 6780 | TELECOMMUNINCATIONS-GENERAL | 3A |
| TK5105 | COMPUTER NETWORKS | 3A |
| TK6001 - 6525 | TELECOMMUNICATIONS-TELEPHONE | 2 |
| TK6540 - 6720 | TELECOMMUNICATIONS-RADIO, RADAR, TELEVISION | 2 |
| TK7800- 8360 | ELECTRONICS | 3A |
| TK9001 - 9401 | NUCLEAR ENGINEERING | 1 |
| TK9900 - 9971 | ELECTRICITY FOR AMATEURS | 1 |
| TL MOTOR VEHICLES, AERONAUTICS, & ASTRONAUTICS | ||
| TL1 - 480 | MOTOR VEHICLES | 3A |
| TL500 - 777 | AERONAUTICS | 3A |
| TL780 - 1060 | ASTRONAUTICS | 2 |
| TN MINING ENGINEERING | ||
| TN1 - 255 | MINING ENGINEERING - GENERAL | 1 |
| TN260 - 265 | APPLIED GEOLOGY | 2 |
| TN269 - 292 | SURVEYING, PROSPECTING, ECONOMICS & OPERATIONS | 1 |
| TN295 - 345 | MINE SAFETY, TRANSPORTATION & MACHINERY | 1 |
| TN400 - 580 | ORE EXTRACTION & PROCESSING | 1 |
| TN600 - 799 | METALLURGY-GENERAL, FERROUS, & NONFERROUS | 3A |
| TN799 - 945 | NON-METALLIC MINERALS | 2 |
| TN941 - 945 | NON-METALLIC MINERALS - CLAY & CEMENT | 3A |
| TN950 - 998 | BUILDING & ORNAMENTAL STONES, & GEMS | 1 |
| TP CHEMICAL TECHNOLOGY | ||
| TP1 - 154 | CHEMICAL TEHCNOLOGY - GENERAL | 3A |
| TP155 - 248 | CHEMICAL ENGINEERING & MANUFACTURE | 3A |
| TP250 - 261 | INDUSTRIAL ELECTROCHEMISTRY | 2 |
| TP267 - 301 | EXPLOSIVES & PYROTECHNICS | 1 |
| TP315 - 361 | FUELS & INFLAMMABLE LIQUIDS & GASES | 2 |
| TP368 - 465 | FOOD PROCESSING AND MANUFACTURE | 3A |
| TP480 - 498 | LOW TEMPER4ATURE ENGINEERING | 1 |
| TP500 - 569 | FERMENTATION SCIENCE & TECHNOLOGY | 3A |
| TP670 - 699 | OILS, FATS, & WAXES | 3A |
| TP700 - 770 | GAS INDUSTRY | 1 |
| TP785 - 869 | CLASY, CERAMICS, & GLASS | 3A |
| TP875 - 888 | CEMENT INDUSTRIES | 2 |
| TP890 - 933 | TEXTILES | 3B |
| TP934 - 944 | PAINTS, PIGMENTS, ETC | 2 |
| TP950 - 997 | MISCELLANEOUS ORGANIC CHEMICALS | 2 |
| TP1101 - 1185 | POLYMERS & POLYMER MANUFACTURE | 3A |