Janus: Papers of Joseph Needham as a historian of Chinese science, technology and medicine

Needham/NRI2/SCC6/24 contains:
<-- See earlier
15	Part of a letter from Donald R. Hill, about an article by Wiedemann on 'Musikautomaten' and a reference from al'Jazari showing the need for an escapement
16	Correspondence with André Wegener Sleeswyk of Gronigen, Holland, about the operation of the steelyard clepsydra, and related documents
17	Letter from John Combridge of Ilford, Essex, planning a visit to Cambridge
18	Letter from André W. Sleeswyk of Gronigen, Holland, accompanying photographs of his reconstruction of a steelyard clepsydra
19	Correspondence with Dr. André W. Sleeswyk of Gronigen, Holland, about the publication of his paper 'The Celestial River: A Reconstruction', and related documents
20	Letter from John Combridge of Ilford, Essex, providing notes relating to horological engineering for consideration if a second edition of 'Science and Civilisation in China, Volume 4, Part 2' is published
21	Two typescripts of André W. Sleeswyk's paper 'The Celestial River: A Reconstruction'
22	Letter from Dr. André W. Sleeswyk of Gronigen, Holland, about comments on his paper 'The Celestial River: A Reconstruction' made by John Combridge of Ilford, Essex, and related documents
23	Letter from V. K. Chew of the Science Museum, London, about Dr. André W. Sleeswyk's paper 'The Celestial River: A Reconstruction'
24	Joseph Needham's notes from a discussion with John Combridge, about an alternative [to André W. Sleeswyk's] reconstruction of steelyard clepsydra
25	Letter from Dr. André W. Sleeswyk of Gronigen, Holland, about entering the Rolex prize [with his model of the steelyard clepsydra]
See later -->