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Letter from Matt Gregson about his method of cleansing feathers from animal oil
Letter from Matt Gregson about his method of cleansing feathers from animal oil
Letter from Mrs A Morris about red and pink dye from radishes
Letter from Mrs A Morris about red and pink dye from radishes
Letter from Sir Stephen Cottrell on behalf of the Committee of the Council for trade and Foreign Plantations about the petition from Messrs. Swinton Blease & Co, about grinding rock salt 'so as to reduce it to a grain nearly resembling Foreign Bay salt'
Letter from Sir Stephen Cottrell on behalf of the Committee of the Council for trade and Foreign Plantations about the petition from Messrs. Swinton Blease & Co, about grinding rock salt 'so as to reduce it to a grain nearly resembling Foreign Bay salt'
Letter from Sir Stephen Cottrell on behalf of the Committee of the Privy Council for Trade and Plantations about Messrs Swinton Blease and Co's rock salt
Letter from Sir Stephen Cottrell on behalf of the Committee of the Privy Council for Trade and Plantations about Messrs Swinton Blease and Co's rock salt
Letter from Thomas Cock about the experiments which he has made on Messrs Swinton, Blease and Co's rock salt
Letter from Thomas Cock about the experiments which he has made on Messrs Swinton, Blease and Co's rock salt
Letter from Dr R I Stanley about tanning calf skin tanned without oak bark
Letter from Dr R I Stanley about tanning calf skin tanned without oak bark
Letter from Christopher Jeffery about reduction of barley used in distilleries
Letter from Christopher Jeffery about reduction of barley used in distilleries
Letter from Mrs Evans about her method of curing gout
Letter from Mrs Evans about her method of curing gout
Letter from William Highmote about John Lake's communication on the protection of electric telegraphs from the influences of atmospheric electricity, the aurora borealis and sea water
Letter from William Highmote about John Lake's communication on the protection of electric telegraphs from the influences of atmospheric electricity, the aurora borealis and sea water
Letter from John Lewis about drying malt by steam
Letter from John Lewis about drying malt by steam
Letter from Henry Deacon about his sawdust charcoal with a declaration signed J Richard Pilkington
Letter from Henry Deacon about his sawdust charcoal with a declaration signed J Richard Pilkington
Letter from William R Shenton about his method of equalising the pressure of a gasometer
Letter from William R Shenton about his method of equalising the pressure of a gasometer
Letter from James Sturton about his paper on glycerine
Letter from James Sturton about his paper on glycerine
Letter from Robert Hunt about pyrolite
Letter from Robert Hunt about pyrolite
Letter from E Wyatt Edgell about casting iron at Constantinople
Letter from E Wyatt Edgell about casting iron at Constantinople
Letter from Samuel Halliday about a fossilised toad which he has found in a coal mine
Letter from Samuel Halliday about a fossilised toad which he has found in a coal mine
Letter from W Bastick about prevention of mildew
Letter from W Bastick about prevention of mildew
Letter from John Frederick Heinle in German, with a translation, about a method of preserving water
Letter from John Frederick Heinle in German, with a translation, about a method of preserving water
Letter from John Leach about 'Grant's extract' gum
Letter from John Leach about 'Grant's extract' gum
Letter from B J Bromwich about substitute for yeast
Letter from B J Bromwich about substitute for yeast