the50-person:

Dear friends: @branch-and-root @angryfishtrap @whitehorseisnotahorse

I have tried my best to scour and compile it into a usable list.

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“The Science and Civilisation in China series is the work of Joseph Needham, C.H., F.R.S., F.B.A. (1900-1995) and an international team of over 30 collaborators. Publishedby Cambridge University Press in seven volumes since 1954, from vol. 4 onward, each volume is divided into a number of parts. e project is now proceeding under the guidance of the Publications Board of the Needham Research Institute, chaired by Christopher Cullen.”

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Vol.1 Introductory Orientations: here

Vol. 2 History of Scientific Thought: here

Vol. 3 Mathematics and the Sciences of the Heavens and the Earth: here

Vol.4 Physics and Physical Technology

Vol. 4 part 1 Physics: here

Vol. 4 part 2 Mechanical Engineering: here

Vol. 4 part 3 Civil Engineering and Nautics: here

Vol. 5 Chemistry and Chemical Technology

Vol. 5 part 1 Paper and Printing: here

Vol. 5 part 2 Spagyrical Discovery and Invention: Magisteries of Gold and Immortality: here

Vol. 5 part 3 Spagyrical Discovery and Invention: Historical Survey, from Cinnabar Elixirs to Synthetic Insulin: here

Vol. 5 part 4 Spagyrical Discovery and Invention: Apparatus and Theory: here

Vol 5 part 5 Spagyrical Discovery and Invention: Physiological Alchemy: here

Vol. 5 part 6 Military Technology: Missiles and Sieges: here

Vol. 5 part 7 Military Technology: The Gunpowder Epic: here

Vol. 5 part 8 “in progress???” CANNOT LOCATE

Vol. 5 part 9 Textile Technology: Spinning and Reeling: here

Vol. 5 part 10 “in progress???” CANNOT LOCATE

Vol. 5 part 11 Ferrous Metallurgy: here

Vol. 5 part 12
Ceramic Technology: here

Vol. 5 part 13
Mining: here

Vol. 6 Biology and Biological Technology

Vol. 6 part 1 Botany: here

Vol. 6 part 2 Agriculture: here

Vol. 6 part 3
Agroindustries and Forestry: here

Vol. 6 part 4
Biology and Biological Technologies: Traditional Botany: an ethnobotanical approach CANNOT LOCATE

Vol. 6 part 5
Fermentations and Food Science: here  or here 

Vol. 6 part 6
Medicine: here or here

Vol. 7 Science and Chinese Society

Vol. 7 part 1 Language and Logic: here

Vol. 7 part 2 General Conclusions and Reflections: here

The link where I got it all: here

Another link containing some of them

p.s. Vol. 6 part 4 was published in 2015. Probably due to the recent date of publication, I have been unable locate any online copy.