Scientific American Supplement, No. 484, April 11, 1885

To give all the details of house plumbing this evening, or any _one_ evening, would be impossible, for lack of time, and not worth while even if there was time, as much of it wo...

I am indebted for this plan to Dr. Alfred Mayer. As in the previous figure, _a_ is the screw; this screw is bored out, and a central steel pin turned to fit resting on a shoulde...

Other difficulties were found in using these engines; the pistons became exceedingly hot. In the case of the Lenoir larger engines, it sometimes became red hot, and caused compl...

The mould, when finished, is dried in a stove. Under such circumstances it often happens that there forms upon the surface of the plaster a hard crust which, although it is of n...

It might be supposed that work done so rapidly would not be well done, but it is the best built prairie road I know of on this continent. It is built almost entirely free from c...

IV. GEOLOGY.--The Organization and Plan of the United States Geological Survey.--By J.W. POWELL.--A topographic map of the United States.--Paleontology.--Chemistry.--Physical re...

Under the organic law of the Geological Survey, investigations in economic geology are restricted to those States and Territories in which there are public lands; the extension...

In making this elegant dish, never use more than three eggs to an _omelet_. Plain omelet: Separate the whites and yolks; add a teaspoonful of water to the whites, and beat to a...

The illustrations we give represent an expansion trap by Mr. Hyde, and made by Mr. S. Farron, Ashton-under-Lyne. The general appearance of this arrangement is as in Fig. 1 or Fi...

In connection with the Scientific American, Messrs. MUNN & Co. are Solicitors of American and Foreign Patents, have had 40 years' experience, and now have the largest establishm...