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Schaffer on Gestural Knowledge and Philosophical Ideologies, and Their Historiographical Ramifications October 27, 2013

Posted by Will Thomas in Ideology of Science, Schaffer Oeuvre.
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In “Experimenters’ Techniques, Dyers’ Hands, and the Electric Planetarium” (1997), Simon Schaffer makes a set of ambitious arguments concerning how 18th-century natural philosophy regarded knowledge that is dependent upon, and sometimes tacit within, manual labor. His entryway into this problem is the frequently ineffable manual skill required in early electrical experimentation, and the intriguing coincidence that two of the most prominent early 18th-century electrical experimenters, Stephen Gray (1666-1736) and Charles Dufay (1698-1739), were, respectively, a former Canterbury cloth dyer and overseer of the Gobelins dye works in Paris.

dying silk

From Hellot, Macquer, and Le Pileur d’Apligny, The Art of Dying Wool, Silk, and Cotton, 1789 English edition

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Rudwick and Newman & Principe and the Recovery of Meaning December 30, 2011

Posted by Will Thomas in Chymistry, Tactile History.
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Metallic 'vegetation', from The Chymistry of Isaac Newton website

One of the most pernicious obstacles to effective historical research is a phenomenon I like to call “glazing over” — a tendency to dismiss references encountered in documents as unimportant or incidental simply for a lack of familiarity with them, or interest in them. You just glaze over until you run across something you are already interested in.

I suspect glazing over is actually extremely common, but that people don’t like to discuss it, because the lack of familiarity it implies with basic facts still smacks of professional incompetence, or, more snobbishly, interest in overcoming the problem implies a banal interest in empirical history. This is too bad, because not only does systematic glazing over likely skew and limit our historiography in more radical ways than our awareness of our “inevitably subjective perspective” supposes; it prevents historians from taking steps as a profession to readmit factual dexterity back into our practices after a long period of privileging critical reflection.

In today’s post, I want to discuss tactile history that works to restore a familiar or palpable meaning to documentary descriptions of natural or experimental phenomena by actively revisiting or recreating what the text refers to.

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Tacit Knowledge and Tactile History: Otto Sibum and “Gestural Knowledge” December 17, 2011

Posted by Will Thomas in Tactile History.
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An 1869 illustration of James Joule's simple, but difficult-to-replicate experiment demonstrating the mechanical equivalent of heat.

This post is the first in a short series on what I call “tactile history”: the practice of historical research that extends beyond examining documents to examining the objects of science and the locations they inhabited, and to the actual reenactment of historical scientific research.  The objective of tactile history is to recover aspects of historical work that would not have survived in the form of a written report.  In this vein, tactile history could be seen as a step beyond “notebook studies” — say, Gerald Holton on Robert Millikan’s oil drop experiments,* or Gerald Geison’s The Private Science of Louis Pasteur (1995) — which look beyond scientific publication to recover the messier day-to-day practices of scientific life.

Where laboratory notebooks merely recover otherwise hidden practices, tactile history attempts to recover something that was never expressed in any form, and is often referred to as “tacit knowledge”.  This could be an inexpressible Fingerspitzengefühl (a fine-tuned hands-on knowledge), a lack of understanding of why an experiment works, pattern recognition, or an unreasoned premonition about what new scientific knowledge will look like.  In the 1980s, tacit knowledge became a crucial part of the “controversy studies” literature, because it was understood to be elemental in successfully replicating an experiment.  By studying controversies surrounding replication, one could uncover the many tacit preconditions underlying successful replication. (more…)