It may be procured at any respectable vulcanised India-rubber warehouse.
"Advice to a Mother on the Management of her Children"
Pye Henry Chavasse
They had lace curtains in their front parlour windows, and outside of the curtains were large red and yellow pots of artificial flowers and indestructible palms and vulcanised rubber-plants.
"The Blue Flower, and Others"
Henry van Dyke
In London and in large towns there are various contrivances of vulcanised rubber, which are, of course, far preferable to the bladders, but it is not everyone who lives in London, or who can command the resources furnished by a large city.
"The Mother's Manual of Children's Diseases"
Charles West, M.D.