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Sandro,
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<div class="">Figures 7, 8, 12, and 13 show an episcotister, I believe. It is a color wheel that allows you to change the proportion of 2 colors (say white and black) while the disk is spinning at high speed. Can’t touch German machines!</div>
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<div class="">Alan</div>
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Alan L. Gilchrist<br class="">
Professor<br class="">
Psychology Dept<br class="">
Rutgers University<br class="">
Newark, NJ<br class="">
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<div class="">On Mar 25, 2019, at 7:13 PM, serge NICOLAS <<a href="mailto:serge.nicolas77@gmail.com" class="">serge.nicolas77@gmail.com</a>> wrote:</div>
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<div dir="ltr" class="">Hello,
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<div class="">Here some indications:</div>
<div class="">Figures 12-13 : Farbenkreisel zur beliebigen Verstellun der Sektore, während der Rotation (Couloured disc on which the size of the sectors may be varied during rotation) may be E. Zimmermann, I do not see details on the photos but it is an handvariator.</div>
<div class="">Figure 6 : Graphische chronometer nach Jaquet (Jaquet's graphic chronometer)</div>
<div class="">Figure 7 : Einfacher Farbvariator (simple colour motor variator)</div>
<div class="">Figures 4 and 5 : Tourenzähler (Speed indicator)</div>
<div class="">Figure 9 : Deprez signal type (but I am not sure)</div>
<div class="">The other instruments are unknown to me. But photos do not indicate details.</div>
<div class="">I have not in my possesion the Heinrich Diel catalogue. I think you can find informations into this old catalogue.</div>
<div class="">Best wishes,</div>
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<div class="">Serge</div>
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<div dir="ltr" class="gmail_attr">Le lun. 25 mars 2019 à 22:07, Mark Wexler <<a href="mailto:mark.wexler@gmail.com" class="">mark.wexler@gmail.com</a>> a écrit :<br class="">
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<div dir="ltr" class="">Cher collègue,
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<div class="">Chercheur en psychophysique à l'INCC (ex-LPP, ex-LPE) et visiteur à votre exposition de vieux instruments de psychologie au siège de l'Université (très intéressante, mais j'aurais apprécié plus d'explications), je viens de recevoir ce message
d'un collègue slovaque sur CVNET, une liste de diffusion sur la vision :</div>
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<div class="">From: Sandro Krasic <<a href="mailto:sandro.krasic.sk@gmail.com" target="_blank" class="">sandro.krasic.sk@gmail.com</a>></div>
<div class="">Date: Mon, 25 Mar 2019 21:17:32 +0100</div>
<div class="">To: <a href="mailto:visionlist@visionscience.com" target="_blank" class="">
visionlist@visionscience.com</a>, <a href="mailto:cvnet@mail.ewind.com" target="_blank" class="">
cvnet@mail.ewind.com</a></div>
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<div class="">Hello everyone!</div>
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<div class="">At the faculty we are doing exhibition of old psychological apparatus for which we need to find out their names and functions. We found many of them, but some of them are still unknown to us. If someone has any information for any of them, I would
be very grateful if you shared it with me.</div>
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<div class="">link to images: <a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.google.com%2Fopen%3Fid%3D1hAfd9usAknstFhiESKqbJhIogUEUmMwX&data=02%7C01%7Calan%40psychology.rutgers.edu%7C8c05cd06a0834a31edfb08d6b184b428%7Cb92d2b234d35447093ff69aca6632ffe%7C1%7C1%7C636891580878975760&sdata=FoRWSOVV%2F3%2BpMofj51lJvSB18uk7M0TzXsvHqUA7XAM%3D&reserved=0" originalsrc="https://drive.google.com/open?id=1hAfd9usAknstFhiESKqbJhIogUEUmMwX" shash="c10kZqYS04vzgxp8/wbSsoBvTazrA9428yHmzaoheDHZIvJcpP97qFgLel5tpN+Q6xJYZc+csKjyzfrCVFj0G+8PbwmWLs0XiVBmZIOKjg0LQeQgHbzE89VVxarYN1txiS06BUcDHpWe8mshS+qOp23TjCh77HLbBzOeVUuFG6k=" target="_blank" class="">
https://drive.google.com/open?id=1hAfd9usAknstFhiESKqbJhIogUEUmMwX</a></div>
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<div class="">Je me suis dit que si quelqu'un pourrait l'aider, ce serait vous.</div>
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<div class="">Très cordialement,</div>
<div class="">Mark Wexler</div>
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<div class="">Mark Wexler<br class="">
Integrative Neuroscience and Cognition Center<br class="">
CNRS - Université Paris Descartes<br class="">
45, rue des Saints-Pères<br class="">
75006 Paris, France<br class="">
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<div style="font-size:small" class="">Pr Serge NICOLAS</div>
<div style="font-size:small" class="">Membre Senior de l'Institut Universitaire de France (IUF)<br class="">
<div class="">Institut de Psychologie,<br class="">
Université Paris Descartes,
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