The SPR recently received an important donation of Ken Batcheldor‘s notebooks describing his numerous table-turning experiments. These will be catalogued and deposited in the SPR's archives at Cambridge University Library.
More information about Batcheldor can be found on Barrie Colvin's Paraphysics Research Group website:
https://web.archive.org/web/20101220143653/https://www.poltergeist.org.uk/ken-batcheldor/ [EXTERNAL LINK]
The SPR is always pleased to receive donations of significant collections relating to psychical research.