Scientific American Supplement, No. 595, May 28, 1887

At Fig. 9 is a diagram of the Roundwood dam of the Vartry Water Works, supplying Dublin, which is a fair specimen of the class of earthwork dam with the outlet pipes carried in...

Another improvement consists in using, when a double line is employed, stretchers or crossheads to keep the flexible girders nearly parallel to each other, so that when necessar...

Now a wave length in the red is about 1/40000 of an inch, and a little calculation will show that these particles are well within the necessary limits. Prof. Tyndall has delight...

In Great Britain and many European countries rain gauges have been established at a greater or less number of stations for many years past, and data thereby afforded for estimat...

That the air is full of organic particles capable of life and growth is now a matter of absolute certainty. It has long been a matter of speculation, but there is a great differ...

"On April 3, 1833, the very day on which I saw the first two cases that I did see of influenza--all London being smitten with it on that and the following day--the Stag was comi...

I. BOTANY.--The Relation of Tabasheer to Mineral Substances.--The composition of this curious secretion of the bamboo.--Analyses and properties of the material, according to var...

Now, as Prof. Carter has shown by experiment that a tuning fork _while still sounding_ had only an amplitude of swing of 1/17000 of an inch, and only traveled an aggregate dista...

The rod to the left is provided with a steel pivot, and contains several apertures, into which a pin enters, thus rendering it easy to begin bouquets at different heights.

Tabasheer would seem, from Brewster's experiments, to be a very intimate admixture of two and a half parts of air with one part of colloidal silica. The interspaces filled with...