Scientific American Supplement, No. 598, June 18, 1887

If the apparent slip be zero, the real slip is the speed of the wake, and if the apparent slip be negative, the real slip is less than the speed of the wake. The real slip is gr...

II. DECORATIVE ART.--Decoration.--The study of ornaments.--By Miss MARIE R. GARESCHE.--The principles of ornament and relations between nature and art; ancient and mediæval art...

The Right Hon. Lord Rayleigh lately delivered a lecture at the Royal Institution upon "The Colors of Thin Plates," a term which he explained was applied to thin films of substan...

In the earliest the round arch was used, but the later and more perfect styles having employed the pointed arch almost exclusively, the latter became characteristic of Gothic ar...

Fig. 9 exhibits the stitching made by this machine upon the edge of the button hole. Fig. 10 represents the right and left hand loopers and loop spreaders, and for the stitch ma...

_Fixed Rotating Hooks_.--Wilson's rotating hook for lock stitch machines, and Gribbs' hook for single thread machines, are both well known. In the year 1872, the Wheeler & Wilso...

However, ornamental and architectural forms frequently do convey a meaning, which we term symbolism in art. If this symbolism does not detract from the first object of ornament-...

Mr. Gime recommends the use of the Latimer-Clark elements. Every one knows that the Latimer-Clark element is now the best standard of electromotive force; but let us not forget...

The keel was laid in August, 1885, and the ship was launched July 29, 1886, on which occasion it was christened Greif. On the trial trip it was found that the slender shape of t...