| 5133 | 2323 | Thames Bank (Blackfriars) Iron Co | Catalogue (heating, domestic & sanitary engineers & ironfounders) | | WCP | Thames |
| 5134 | 2306 | Thames Bank Iron Co Ltd | Illustrated catalogue | | WCP | Thames |
| 5135 | 2322 | Thames Bank Iron Co Ltd | Illustrated catalogue of cast iron drain & sanitary pipes & fittings | | WCP | Thames |
| 5136 | 6062 | Thames Bank Iron Co Ltd | Cast iron rainwater & soil goods | 1958 | WCP | Thames |
| 5137 | 5243 | Thatching Advisory Service | Thatch | 1985 | B/05.62 | Thatch |
| 5138 | 6084 | The Beeston Boiler Co Ltd | Beeston catalogue | | WCP | Beesto |
| 5139 | 6092 | The British Aluminium Company Ltd | BA super purity luaminium flashings | 1963 | WCP | The Br |
| 5140 | 6082 | The British Aluminium Company Ltd | Aluminium roof weatherings | 1963 | WCP | Britis |
| 5141 | 6538 | The Davis Gas Stove Co Ltd | Nautilus domestic boiler | 1931 | WCP | The Da |
| 5142 | 6077 | The Rheostatic Company Ltd | Automatic Satchwell controls | | WCP | Rheost |
| 5143 | 6080 | The Rheostatic Company Ltd | Automatic Satchwell controls | | WCP | Rheost |
| 5144 | 6078 | The Rheostatic Company Ltd | Automatic Satchwell controls | 1960 | WCP | Rheost |
| 5145 | 8123 | The Timber Fireproofing Company | Fire resistance tests : report of a standard fire resistance test on an Oxylene treated timber bulkhead | 1945 | B/10.2 | Timber |
| 5146 | 8121 | The Timber Fireproofing Company | Resistance to fungal decay tests : resistance to decay of wood treated by "Oxylene" process | 1945 | B/10.2 | Timber |
| 5147 | 5722 | The Worshipful Company of Plumbers | Official opening of the Plumbing Workshop at the Weald & Downland OAM | 1980 | WCP | The Wo |
| 5148 | 5307 | J Thirsk | Fenland farming in the sixteenth century | 1953 | E/17.1 | Thirsk |
| 5149 | 7410 | edited by J Thirsk | Agricultural change : policy and practice 1500-1750 | 1990 | E/17.1 | Thirsk |
| 5150 | 5791 | Andrew R Thomas | Treatment of damp in old buildings | 1986 | B/10.2 | Thomas |
| 5151 | 6535 | Thomas De La Rue & Co Ltd | Potterton gas fired boilers | 1952 | WCP | Thomas |
| 5152 | 2159 | J F H Thomas, M Griffith, M Jones, A R Wannop | Sheep | 1945 | E/17.33 | Thomas |
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