Call numbers are the address for the item, where you will find it in the library.
Engineering related books can be found under the following call numbers:
T: Technology (General)
TA: Engineering (General). Civil engineering
TC: Hydraulic engineering. Ocean engineering
TD: Environmental technology. Sanitary engineering
TE: Highway Engineering. Roads and pavements
TF: Railroad engineering and operation
TG: Bridge engineering
TH: Building construction
TJ: Mechanical engineering and machinery
TK: Electrical engineering. Electronics. Nuclear engineering
TL: Moto vehicles. Aeronautics. Astronautics
TN: Mining engineering. Metallurgy
TP: Chemical technology
How do I order an item from another library? 
