When he had done so she motioned to the portable stereoscope which lay inside.

One day he tried taking with him the stereoscope and a pack of cards.

But though his Silvia was affectionate and amiable enough to let him put the stereoscope over her muzzle, yet she would not look through it, but kept turning her head to lick his hand, and it was plain to him that now she had quite forgotten the use of the instrument.

camera lucida [Lat.], camera obscura [Lat.]; magic lantern &c (show) 448; stereopticon; chromatrope^, thaumatrope^; stereoscope, pseudoscope^, polyscope^, kaleidoscope.

The two views are made for each other, and, like the two counterpart pictures for the stereoscope, when brought together, combine into one apparently solid whole.

If the reader is interested, or like to become interested, in the subject of sun-sculpture and stereoscopes, he may like to know what the last two years have taught us as to the particular instruments best worth owning.

Single words, from Mr. Dana's pen, are pregnant with great significance, and their meaning is brought out by taking a little thought, as the leaves and sticks and stones and pigmy men and women in the shady corners of the stereograph are developed into the seeming proportions of real life, when the images in the focus of the lenses of the stereoscope.

Living, moving portraits have been taken, and by means of a hand machine can be as easily examined as pictures through a stereoscope.

THE STEREOSCOPE AND THE STEREOGRAPH.

But this other invention of the mirror with a memory, and especially that application of it which has given us the wonders of the stereoscope, is not so easily, completely, universally recognized in all the immensity of its applications and suggestions.

The stereoscope, and the pictures it gives, are, however, common enough to be in the hands of many of our readers; and as many of those who are not acquainted with it must before long become as familiar with it as they are now with friction-matches, we feel sure that a few pages relating to it will not be unacceptable.

" A stereoscope is an instrument which makes surfaces look solid.

The arrangement which effects it will be a stereoscope, according to our definition of that instrument.

Such are the stereoscope and the photograph, by the aid of which form is henceforth to make itself seen through the world of intelligence, as thought has long made itself heard by means of the art of printing.

The stereograph, as we have called the double picture designed for the stereoscope, is to be the card of introduction to make all mankind acquaintances.

Many persons suppose that they are looking on miniatures of the objects represented, when they see them in the stereoscope.

We made a sham stereoscope, the other day, with no glasses, and an opening in the place where the pictures belong, about the size of one of the common stereoscopic pictures.

The reader will, perhaps, thank us for a few hints as to the choice of stereoscopes and stereoscopic pictures.

What is to come of the stereoscope and the photograph we are almost afraid to guess, lest we should seem extravagant.

To render comparison of similar objects, or of any that we may wish to see side by side, easy, there should be a stereographic metre or fixed standard of focal length for the camera lens, to furnish by its multiples or fractions, if necessary, the scale of distances, and the standard of power in the stereoscope-lens.

We are looking into stereoscopes as pretty toys, and wondering over the photograph as a charming novelty; but before another generation has passed away, it will be recognized that a new epoch in the history of human progress dates from the time when He who never but in uncreated light Dwelt from eternity took a pencil of fire from the hand of the "angel standing in the sun," and placed it in the hands of a mortal.

His chief scientific interest was optics, and he invented the kaleidoscope, and improved Wheatstone's stereoscope by introducing the divided lenses.

There was the open piano, and Ruth played a little; there was the stereoscope, and some of the girls looked over the new views of Catskill and the Hudson that Dakie Thayne had given us; there was the table with cards, and we played one game of Old Maid, in which the Old Maid got lost mysteriously into the drawer, and everybody was married; and then Miss Pennington appeared at the door, with her man-servant behind her, and there was an end.

WHEATSTONE, SIR CHARLES, celebrated physicist and electrician, born near Gloucester; was a man of much native ingenuity, and gave early proof of it; was appointed professor of Experimental Philosophy in King's College, London, and distinguished himself by his inventions in connection with telegraphy; the stereoscope was of his invention (1802-1875).

To cover his shyness he took up a stereoscope on the centre-table and began to look at the pictures.