Scientific American Supplement, No. 799, April 25, 1891

But the water piston fraternity promptly brings forward the question of speed. They say that, admitting that the cooling surfaces are equal, we have in one case _more time_ to a...

IV. HYDRAULICS.--The Power of Water, or Hydraulics Simplified. --By G.D. HISCOX.--Current wheels for power and raising water. Interesting presentation of this practical portion...

This hospital is complete as to plans, and as to the power plant, drainage, and subway construction necessary for the 1,500 patients, that the legislature has provided for in it...

s. d. Upkeep, interest and sinking fund at 15 per cent, on £1,292 = £193.8 = per day. 12 11 Cardiff coal, 2.643 pounds per actual horse power per hour; 2.643 × 10 × 75 = in 10 h...

Before establishing, with Mr. Witz, a comparison of the two systems in pressure, steam or gas, let us state in a few words in what the latter consists, the steam engine and the...

"In producing this result two agencies are at work, there is the action of electrolysis and the formation of a hydrated oxide of iron. It is not possible, perhaps, to define the...

A cubic foot of free air at a pressure of one atmosphere (equal to 14.7 pounds above a vacuum) at a temperature of 60 degrees, when compressed to twenty-five atmospheres, will r...

Fig. 17 illustrates a combined steam and air indicator card taken from one of these cylinders. It will be observed that with steam and air cylinders equal in diameter and stroke...

With respect to these tables, Prof. Rowland adds: "The substances under the head of 'Not in the Solar Spectrum' are often placed there because the elements have few strong lines...