Palaquium oblongifolium. A blühender Zweig 1/2 nat. Gr.; 1 Knospe 2/1; 2 Blüte von oben 2/1; 3 Blüte von der Seite 2/1; 4 Frucht etwas vergrössert 4/3; 5 Samen von der Rückenseite 1/1; 6 Samen vom Nabel aus gesehen 1/1.
Identifier: firesideuniversi01mcgo (find matches)Title: The fireside university of modern invention, discovery, industry and art for home circle study and entertainmentYear: 1902 (1900s)Authors: McGovern, John. (from old catalog)Subjects: SciencePublisher: Chicago, Union pub. houseContributing Library: The Library of CongressDigitizing Sponsor: The Library of CongressView Book Page: Book ViewerAbout This Book: Catalog EntryView All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book.Text Appearing Before Image:degrees of heat continued six times longer, make ebonite orgutta percha. Many minor chemicals are added by variousmanufacturers. The process was called vulcanization byGoodyear. What is the gum called India Rubber ? A remarkable union of atoms of carbon and hydrogen alone,by which a unique compound is obtained. This compound isthe most elastic of substances and at the same time among themost impervious to air and water. But it was for centuries sosticky and unstable, that it could not be used for clothing, etc.The life of Charles Goodyear, an American, was devoted to theexperiments which resulted in the every-day use of India Rub-ber and Gutta Percha by the people. What is Gutta Percha ? Gutta is the Malay word for gum, and percha is the tree thegum comes from. But there are many trees that yield the milkygum that we make into India Rubber, and we use the wordGutta Percha to mean India Rubber that has been vulcanizeduntil it is perfectly hard, and capable of carrying a high finish.408Text Appearing After Image:INDIA RUBBER. 409Note About Images 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 work.