It is hard like metal and as elastic as pure original gum elastic.
"The Age of Invention" by Holland Thompson
The Victoria ascended once more, and made some enormous leaps, like a huge gum-elastic ball, bounding and rebounding through the air.
"Five Weeks in a Balloon" by Jules Verne
BALATA, a vegetable gum used as a substitute for gutta-percha, being at once ductile and elastic; goes under the name of bully.
"The Nuttall Encyclopaedia" by Edited by Rev. James Wood
Caut-chouc: or elastic gum.
"The History of Sumatra" by William Marsden
Over the gasket is laid a sheet of the thinnest grade of what is called pure rubber or elastic gum.
"Scientific American Supplement, No. 365, December 30, 1882" by Various
There is no corresponding property in gum-elastic.
"The Atlantic Monthly, Volume 13, No. 77, March, 1864" by Various
I had prepared a very strong, perfectly air-tight gum-elastic bag.
"The Literary World Seventh Reader" by Various
It is made of wood, brass, and gum-elastic.
"Knickerbocker, or New-York Monthly Magazine, March 1844" by Various
One brought a tusk of ivory, others jars of palm oil, several had baskets of India-rubber, or gum-elastic, as it is called.
"The African Trader" by W. H. G. Kingston
The silk comes from two little orifices in the head in the form of a glutinous gum which hardens into a fine elastic fiber.
"Textiles and Clothing" by Kate Heintz Watson
Gum elastic or India rubber is plentiful.
"Official Report of the Niger Valley Exploring Party" by Martin Robinson Delany
Crude gum, however, is lacking both in strength and elasticity.
"Commercial Geography" by Jacques W. Redway
I am surprised to hear that gum-elastic was ever white, or ever fluid!
"Conversations on Chemistry, V. 1-2" by Jane Marcet
M. M. Steel-springs fixed to the night-cap so as to suspend the lower jaw and keep it closed; or springs of elastic gum.
"Zoonomia, Vol. II" by Erasmus Darwin
In an emergency a gum-elastic catheter with a terminal aperture may be passed, as recommended by Macewen and Annandale.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
Metallic tubes will not do; but the gum elastic are to be employed.
"The Dog" by Dinks, Mayhew, and Hutchinson
The raw material, which is an elastic, yellowish, gum-like substance, is sent away to be vulcanized.
"Great Inventions and Discoveries" by Willis Duff Piercy