Scientific American Supplement, No. 470, January 3, 1885

_Bell-Buoys._--The bell-boat, which is at most a clumsy contrivance, liable to be upset in heavy weather, costly to build, hard to handle, and difficult to keep in repair, has b...

To effect this, we must carefully cut off this delicate structure, and so prepare it that we may employ upon it the first of a series of our highest powers. The result of that e...

A modification of this train better suited for practical use is shown in Fig. 37, in which the sun-wheel, instead of the planet, is annular, and the latter is carried by the two...

To all who have familiarized themselves, even cursorily, with modern scientific knowledge, it is well known that the mind encounters the _infinite_ in the contemplation of minut...

Generally, a liquid has considerably greater density than its vapor. But, if a vessel containing both is heated, the liquid experiences a dilatation which is gradually augmented...

Sound Signals.--Extracts from a paper by A.B. JOHNSON.--Treating of gongs, guns, rockets, bells, whistling buoys, bell buoys, locomotive whistles, trumpets, the siren, and the u...

1. The degree of concentration of the solution is important. Nitrification always commences first in the weakest solution, and there is probably in the case of every solution a...

The chief characteristic or principle of this engine is the maintenance of an accurate steam and mechanical balance and the avoidance of cross pressure. The power is applied dir...

The twenty-second session of the Inventors' Institute was opened on October 27, the chair being taken by Vice-Admiral J.H. Selwyn, one of the vice-presidents, at the rooms of th...

To follow these without the loss of an instant's vision was pleasure of the highest kind. In an hour and ten minutes from their first discovery they had grown to oval points. In...