Dobereiner discovered the combination of SO 2 and 0 into SO 3 by means of spongy platinum.
Has light grey or brown close thick wool half an inch deep without any top hair, with a rather thick spongy pelt.
Intralamellar spongy growth becomes, the more do the original gillfilaments lose the character of blood-holding tubes, and tend to become dense elastic rods for the simple purpose of supporting the spongy growth.
Moreover, unless the conditions are closely watched, it is liable to be thrown down in a spongy form.
In order to make spongy or porous rubber, some material is incorporated which will give off gas or vapour at the vulcanizing temperature, - such as carbonate of ammonia, crystallized alum, and finely ground damp sawdust.