AP/34/10/20
Unpublished figure, rotated neutral axes of the selenite by William Bird Herapath
19 January 1854
AP/36/19
Letter, regarding compounds of iodine and strychnine from William Bird Herapath to George Gabriel Stokes
20 June 1855
AP/38/27
Letter, 'On the detection of strychnia by the formation of iodostrychnine' from William Bird Herapath to George Gabriel Stokes
7 June 1856
AP/39/7
Letter, 'On the optical characters of certain alkaloids associated with quinine, and of the sulphates of their iodo-compounds' from William Bird Herapath to [George Gabriel] Stokes
6 January 1856
AP/40/3
Unpublished paper, 'Researches on cinchona alkaloids: critical examination of the ordinary methods employed for the discrimination of the cinchona alkaloids, quinine, quinidin, quinicine, and cinchonine, cinchonidin, cinchonicine, together with the optical and chemical characters of their iodo sulphates, upon which new methods are founded' by William Bird Herapath
1855-1857
AP/40/3/1
Unpublished manuscript, 'Researches on cinchona alkaloids: critical examination of the ordinary methods employed for the discrimination of the cinchona alkaloids, quinine, quinidin, quinicine, and cinchonine, cinchonidin, cinchonicine, together with the optical and chemical characters of their iodo sulphates, upon which new methods are founded' by William Bird Herapath
1857
AP/40/3/3
Unpublished figures, sulphate iodo-quinine and sulphate iodo-cinchonidin by William Bird Herapath
AP/40/3/4
Unpublished figures, 'sulphate iodo-cinchonidin as altered by dilute sulphuric or sulphurous acid' by William Bird Herapath
AP/40/3/5
Unpublished figures, cinchonidin and quinidin crystals by William Bird Herapath
AP/40/4
Unpublished appendix, 'Further notice respecting the optical and chemical characters of the iodo-sulphates of cinchona alkaloids' by William Herapath Bird
14 June 1857
Photographs of British algae: cyanotype impressions
Browse the records of some of our collections, which cover all branches of science and date from the 12th century onwards. These include the published works of Fellows of the Royal Society, personal papers of eminent scientists, letters and manuscripts sent to the Society or presented at meetings, and administrative records documenting the Society's activities since our foundation in 1660.