last 25
  • very intersting
  • thanks for your work!
  • I first used this laboratory notebook in the 1990s when I authored a paper with Frederic L. Holmes entitled "Experiment, Quantification, Discovery" in a volume edited by David Cahan. It started quite a flurry of interest in the propagation velocity of the nerve impulse. Thank you for making parts of the Helmholtz Nachlass available to scholars. Best, Kathryn Olesko [mail address removed]
  • Would love high resolution, thank you! I am writing a cognitive psychology textbook, would like to purchase copyright permission as well. Please contact with details if possible: [mail address removed]
  • [mail address removed]
  • Very helpful I am going to mention your records in the Stanford Encyclopedia of Philosophy (article on Meinong) [mail address removed]
  • bad resolution
  • I'm an autodidactic learning artist and just try to understand my "grandfathers" and "-mothers" In offering digital texts for free you do a great work for people who had no possibility to study a subject at university. - thank you !!-
  • Good reading!
  • English version is preferred
  • thank you very much. very useful information for all academic persons
  • Just Thanks!
  • I like the idea of being able to read semi-ancient materials. Thank you
  • I am using some older images of tachistoscopes for a cognitive psychology textbook. Thank you!
  • Excelente¡
  • [mail address removed]
  • [mail address removed]
  • need help to design porteus maze task
  • [mail address removed]
  • I was sent to this site by a head of a science museum in Canada, thank goodness, and do not know if I would otherwise have found this. Thank you for making it available. [mail address removed]
  • Thanks! (i wish there is English translation).
  • field of research: art history
  • Hello, I would really like to be able to reproduce the image of the aesthesiometer in a journal article (for 'Resilience: Journal of the Environmental Humanities'. Please can you tell me how I can get permission to reproduce that image? I have used your virtual library a number of times, as I'm writing a book about measurement of bodily sensation. Pease get back to me at [mail address removed] at your earliest convenience. With best wishes, Mark Paterson
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  • The resizing doesn't work.


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