Gutta percha, its discovery, history, and manifold uses.

Date:
1851
Catalogue details

Licence: Public Domain Mark

Credit: Gutta percha, its discovery, history, and manifold uses. Source: Wellcome Collection.

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    —of which the sketch gives an idea—was one where the boat is suddenly jammed between two floes, but is raising herself upwards by the Grutta Percha resisting the first blow, and sliding along and over the lowest piece on its left bow. One man is assisting her by trying to haul her along ; two others are guarding her ribs with boat-hooks and ice-poles; another prising her stern off from a small berg ; while I am directing the movements necessary to get her onward. My published journal will give any more details, and it will only be necessary for me to say here, that she got across and came out again without the slightest injury ; and though we, of course, took all the necessary care to prevent that injury, yet my conviction is that no other hut the Gutta Percha boat could have accomplished it. We have hitherto left unnoticed the wonderful acoustic pro¬ perties of Grutta Percha. As a conductor of sound it is unrivalled. “ Ear trumpets of every form and shape have been Fig 55, Portable Ear-trumpet.
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