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| T | Tank, Tap, Tides |
| T | Telephone Call Box (small scales) |
| T | Terrace, Track |
| T | Top of |
| T | Trough |
| TA | Territorial Army; Territorial and Army Volunteer Reserve |
| TA Centre | Territorial Army; Territorial and Army Volunteer Reserve Centre |
| Tachy | Tacheometer/Tacheometry |
| TAD | Trig Availability Diagram |
| TB | Top of Bank |
| TC | Travelling Crane |
| TCB | Telephone Call Box |
| TCP | Telephone Call Post or Pillar |
| TCP | Temporary Control Point |
| TE | Terrace |
| Tech Coll | Technical College |
| Tel Ex | Telephone Exchange |
| Tel Line | Telephone Line |
| Tel P | Telephone Pole |
| Ter | Terminus |
| Ter | Terrace |
| Terr | Terrace |
| Terr | Terrace |
| Tert | Tertiary |
| TG | Toll Gate |
| TH | Tool House ? |
| TH | Town Hall |
| Tk | Tank |
| Tk | Track |
| Tk | Track |
| Tk F | Track of Fence |
| Tk H | Track of Hedge |
| Tk S | Track of Stream |
| TLH | Tool House ? |
| Toll | Toll Bridge or Gate |
| TP | Telegraph Pole |
| TP | Turnpike |
| Tr | Trough |
| TR | Trough |
| Trav | Traverse |
| Trav C | Travelling Crane |
| Trig Sta | Trigonometrical Station |
| ts | Traverse Station |
| TV Sta | Television Station |
| TWL | Top Water Level |
| Twr | Tower |
| Tyne and Wear | Tyne and Wear |
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