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The Leyden and Stockholm Papyri - University of Cincinnati

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when preparing wool for the same purpose. This has led to the<br />

theory that Greco-Egyptian alchemy was born <strong>of</strong> an attempt to<br />

extend this analogy to the dyeing or coloration <strong>of</strong> metals as well,<br />

initially using surface effects similar to those employed in modernday<br />

bronzing techniques – a suggestion first put forth by the<br />

American chemist, Arthur John Hopkins, in 1902 (32). Alchemy<br />

arose when, at some point, this analogy passed over that tenuous<br />

boundary which, in the words <strong>of</strong> Joseph Needham, separates the art<br />

<strong>of</strong> “aurifiction” from the fantasy <strong>of</strong> “aurifacation.” While there<br />

is certainly ample evidence for Hopkins’ so-called “color theory”<br />

<strong>of</strong> alchemy in both the true Greco-Egyptian alchemical literature<br />

<strong>and</strong> in the later Islamic <strong>and</strong> European alchemical literature, I must<br />

confess that, in my own reading <strong>of</strong> the papyri, I do not find that<br />

the dyeing analogy is particularly prominent among those recipes<br />

dealing with metals <strong>and</strong> metallic alloys.<br />

! Two final observations concerning the recipes for dyeing are<br />

worthy <strong>of</strong> note. <strong>The</strong> first concerns the curious fact that the vast<br />

majority <strong>of</strong> these recipes refer to the dyeing <strong>of</strong> wool, even though<br />

linen was by far the favored textile used in ancient Egypt, <strong>and</strong> the<br />

second has to do with the Egyptian mastery <strong>of</strong> mordants to obtain<br />

color variations using the same dye solution – a mastery which had<br />

amazed Pliny more than two centuries earlier (30):<br />

In Egypt garments are dyed according to a remarkable process.<br />

<strong>The</strong>y are first cleaned, then soaked, not in dye, but in various substances<br />

that absorb dye. <strong>The</strong>se substances do not at first show in<br />

the materials, but when the materials have been dipped into the<br />

dyeing tun, they can be removed, after being stirred about, completely<br />

dyed. <strong>The</strong> most wonderful thing about this is that, although<br />

the tun contains only one kind <strong>of</strong> dye, the materials suddenly appear<br />

dyed different colors, according to the nature <strong>of</strong> the dye-absorbing<br />

substances used, <strong>and</strong> these colors are not only resistant to washing,<br />

but materials so dyed actually wear better.<br />

1.3 This Edition<br />

GENERAL INTRODUCTION<br />

Almost from the date <strong>of</strong> its publication, Berthelot’s original French<br />

translation <strong>of</strong> the <strong>Leyden</strong> papyrus became the target <strong>of</strong> severe criti-<br />

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