These glasses are mounted in handsome vulcanite frames, and are very compact.

A greater proportion of sulphur, produces vulcanite, a hard black substance, resembling jet.

It is then water-proofed with vulcanite water-proofing and gravel.

It consisted of a short vulcanite handle, from which extended two flat steel supports, terminating in vulcanite ear-plates.

Steel needles, insulated with vulcanite to within an eighth of an inch of their points, are the best.

Innumerable tubes of glass, metal and a kind of vulcanite conveyed blood and chemicals over the whole system.

When gelatine is substituted for vulcanite, the humidity of the atmosphere can also be measured in the same way.

Dr. Fowler, of Yarmouthport, Mass., obtained patents for its combination with vulcanite as applied to dentistry and other uses.

One of the pipes had an amber stem and the other a vulcanite stem, and both of them had silver belts.

A vulcanite or other strip is easily affected by differences of temperature, expanding and contracting by reason of the minutest changes.

This screw engages with a second and similar screw which is so arranged as to move the strip of vulcanite up or down.

The substance on whose expansion the working of the instrument depends is a strip of some material extremely sensitive to heat, such as vulcanite.

To speak through a taxi tube one must hold up the mouthpiece, and that mouthpiece is usually made of vulcanite or some similar substance.

When a large amount of sulphur is used, the India-rubber, becomes as hard as horn or wood, and this is the substance called vulcanite.

With a thin disc of vulcanite as receiver, the dark heat rays which pass through an opaque screen were found to yield a note.

In The Lancet of December 10, 1881, there is an account of a vulcanite tooth-plate which was swallowed and passed forty-two hours later.