Scientific American Supplement, No. 648, June 2, 1888.

I must now go from this to the next branch, the glow-lamp, the lamp that is burning so steadily and so nicely above us. For this lamp we do not use platinum, such as I heated be...

_Model for Illustrating the Properties of the Ether._--A very interesting exhibit was the model for illustrating the electromagnetic and luminiferous properties of the ether, of...

Some small filaments were subsequently removed with the lithotrite, but on microscopical examination nothing of diagnostic importance was discovered. From lack of the capacity o...

Of this mixture 20 per cent. is coal gas, made in the ordinary way, which is the only objectionable feature the writer can see in the process. I am inclined to think that Mr. Mc...

The above brief account may suffice to give a general idea of what the cortical jacket covering our timber is, and how it comes about that in the normal case the thickening of t...

On the evening of November 24, 1876, the late Dr. Schmidt, of Athens, discovered a new star of the third magnitude, near Rho Cygni, in a spot where he was certain that no bright...

Again, the time comes in the life of every one who is not near-sighted, and who lives to a good old age, when he cannot see near objects well without glasses. Between the ages o...

Duck roofing has been successfully applied by first laying and tacking down a covering of two-ply asphalt paper, and upon this was spread a covering of resin-sized sheathing pap...

In 1882, Dr. Geo. H. Horn (Trans. Amer. Ent. Soc., x., 1882-83; Monthly Proc., Feb. 10, 1882, p. ii.) exhibited drawings illustrating the anatomy of _Platypsylla_ and _Leptinus_...

A small jet of high pressure water, injected into a larger jet from the water works mains, intensified the pressure of the latter in the delivery hose, and also increased the qu...

Transcriber's Note: The original publication has been replicated faithfully except as shown in the Transcriber's Amendments at the end of the text. Words in italics are indicate...

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