. The gutta percha and rubber of the Philippine Islands. Gutta-percha; Rubber. Fig. 15—ready TO FELL A LARGE GUTTA PERCHA TREE FOR EXPERIMENTAL PURPOSES. DISTRICT OF ZAMBOANGA, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sherman, Penoyer L. , jr. Manila, Bureau of public printing

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Keywords: ., bookcentury1900, bookdecade1900, bookpublishermanil, bookyear1903