Example image of eyePlorer eyePlorer map for 'Goldbeater's skin': Calf Intestine Micrometre Parchment Goldbeating Hygrometer Hygroscopy Alexander Graham Bell Groschen Invention of the telephone North German Confederation Postage stamp Chloroform Joseph Thomas Clover 1900s Rigid airship USS Shenandoah (ZR-1) Zeppelin Vellum Cattle Ox Potassium hydroxide Putrefaction Double reed Oboe Calfskin 1869 Postage stamps and postal history of the North German Confederation Isinglass Parchment repair Preservation of illuminated manuscripts
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