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<p>[QUOTE=&quot;scoutshouse, post: 554327, member: 267&quot;]Doesn&#039;t show the layers, but...At 1:37 good image of &quot;Ivorytype&quot; label.</p><p><br /></p><p>[MEDIA=youtube]eXyUkMhx6EY[/MEDIA]</p><p><br /></p><p>Published on Aug 2, 2013</p><p>The American Ivorytype was introduced by Frederick Wenderoth in 1855. The positive print was painted, then waxed and glued side up to the back of a sheet of clear glass using a combination of Canada balsam and beeswax. In this altered example, the photographic layer is now detached from the glass.</p><p>Esemplare alterato di Avoriotipo americano. Questo processo fu inventato da Frederick Wenderoth nel 1855 e consiste in una stampa positiva molto sottile, dipinta sul recto e fatta aderire in modo permanente ad un vetro sul lato esposto all&#039;osservazione. L&#039;adesivo era una miscela di balsamo di canadà e cera d&#039;api. La produzione interessò una decina d&#039;anni, fino circa al 1865, e fu prevalentemente praticata nell&#039;area di Philadelphia.</p><p>Ivorytype from Chiesa-Gosio Collections, Brescia.[/QUOTE]</p><p><br /></p>

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