Scottish letters patent granted to Thomas Farmer for obtaining sulphur, sulphurous acid and other products from pyrites
Letters patent granted to Thomas Farmer for 'Improvements in treating Pyrites to obtain Sulphur, Sulphurous Acid and other products'
Copy letter from Isambard Kingdom Brunel to the Directors of the Great Western Railway
Sketch books of drawings of fragments recovered from the shipwrecks of the Royal George and the Edgar
Marshall's Geological Diagrams
Letters patent granted to Stephen Geary for 'Improvements in the preparation of fuel'
Manuscript entitled: "Catalogue of the Apparatus of Philosophical Instruments, in the Collection of Her Late Majesty Queen Charlotte, at the Observatory at Richmond in Surrey"
Temporary staging
Notation of units, multiplication
Printed Clarence Railway report
Pages 8 and 9 of John Graham's report book 1835-1838
Pages 14 and 15 of John Graham's report book 1835-1838
Second front flyleaf and page 1 of John Graham's report book 1835-1838
Pages 6 and 7 of John Graham's report book 1835-1838
Pages 178 and 179 of John Graham's report book 1835-1838
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