| RHP762/1-3 | Charts of Plymouth Sound, Portland and Weymouth and Falmouth and Helford, Dorset, England | 1759 |
| RHP6983 | Admiralty chart of Plymouth Sound and Hamoaze: 1906 (Vignettes of pictorial views) | 1906 |
| RHP9729 | Title page from Ordnance Survey 1 inch maps (Somerset, Devon and Cornwall) | 1809 |
| RHP9730 | Ordnance Survey 1 inch map (Somerset, Devon and Cornwall, Sheet No XX) | 1809 |
| RHP9731 | Ordnance Survey 1 inch map (Somerset, Devon and Cornwall, Sheet No XXV) | 1809 |
| RHP9732 | Ordnance Survey 1 inch map (Somerset, Devon and Cornwall, Sheet No XXIV) | 1809 |
| RHP9733 | Ordnance Survey 1 inch map (Somerset, Devon and Cornwall, Sheet No XXIII) | 1809 |
| RHP9734 | Ordnance Survey 1 inch map (Somerset, Devon and Cornwall, Sheet No XXII) | 1809 |
| RHP9735 | Ordnance Survey 1 inch map (Somerset, Devon and Cornwall, Sheet No XXVI) | 1809 |
| RHP9736 | Ordnance Survey 1 inch map (Somerset, Devon and Cornwall, Sheet No XXI) | 1809 |
| RHP9737 | Ordnance Survey 1 inch map (Somerset, Devon and Cornwall, Sheet No XXVII) | 1809 |
| RHP20664 | Map (6 sheets) of the county of Cornwall: 1826-27, published in 1827. (Vignette of St. Michael's Mount) | 1827 |
| RHP22847 | Portion of Geological Survey 1 inch plan of Cornwall. | 1865 |