C Macintosh, H Hornby & J Birley, 1823, UK. Founded Chas J Hancock. 1825, UK Roxbury India Rubber Co. founded (1st US rubber Co.). 1820 - 1830, USA First encountered gutta percha, used by the natives to make hatchet handles.

McIntosh, J: Indiarubber and Gutta Percha

History of the Atlantic Cable & Submarine Telegraphy - British Cable ...

1819 - 1875 - Bouncing-Balls.com C Macintosh, H Hornby & J Birley, 1823, UK. Founded Chas J Hancock. 1825, UK Roxbury India Rubber Co. founded (1st US rubber Co.). 1820 - 1830, USA First encountered gutta percha, used by the natives to make hatchet handles.

GUTTA-PERCHA–AN UNTOLD STORY

History of India-rubber and Gutta-percha, And Their Application to the Manufacture of Boots The manufacture of the Mackintosh cloth is a singular one. Joseph Holt, in his late decision upon the “extension” of the Goodyear Patent, thus  The India Rubber, Gutta Percha & Telegraph Works Co Ltd. — From ... India Rubber and Gutta-Percha - Wikisource Gutta-percha in endodontics - A comprehensive ... - J Conserv Dent

Gutta-percha - Wikipedia GUTTA-PERCHA–AN UNTOLD STORY Imperialism, the Telegraph, and Gutta-Percha - jstor

Gutta-percha in endodontics - A comprehensive review of material ... India Rubber, Gutta Percha and Telegraph Works Company ... Gutta-percha - Wikipedia

McIntosh, J: Indiarubber and Gutta Percha

Of all the tested materials, gutta-percha (GP) has stood the test of time for years.. and physical properties of gutta-percha endodontic filling materials. J Endod.

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Gutta-percha - Wikipedia