One method of avoiding this fault is to produce stereoscopic views of the part examined.
Two views having been secured in stereoscopic register, and placed in a stereoscope, the part can be viewed in relief.
One who at once combines the stereoscopic fields of vision certainly has binocular single vision; in other cases this is only so far lost that the stereoscopic combination does not take place at once but only after some trouble.
The subject-matter was a painting from which certain stereoscopic views had been taken without the proprietor's consent.
It was then exhibited with the proprietor's consent in Dublin for the purpose of obtaining contributors to a proposed engraving, and while so exhibited the defendant, without consent, copied it and produced his stereoscopic photographs.
They said it was unnecessary to decide whether there had been publication in London and Manchester since, in their opinion, the act of the defendant in taking stereoscopic views from the painting was a breach of faith.
He therefore held that the common law right in the picture had not been lost by publication, and that the proprietor could recover against the taker of the stereoscopic views as against an infringer of common law rights.
Stereoscopic pictures for combining by converging or diverging the optical axes 41 3.
It will be noted that in order for two stereoscopic pictures, when combined, to produce a perfect effect of three dimensions their dissimilarity must be no more than that existing between the two views from the two eyes respectively.
It may help to focus the eyes upon the tip of a finger until the stereoscopic images are combined.
If the two stereoscopic pictures are combined by looking at a point far beyond the actual position of Fig.
This can also be demonstrated by viewing stereoscopic pictures with a stereoscope, the illumination being furnished by an electric spark.
Stereoscopic pictures for combining by converging or diverging the optical axes.
Lack of correct size and position of the individual elements of stereoscopic pictures are easily detected on combining them.
One of the interesting results of retinal rivalry is found in combining two stereoscopic pictures in black and white with the black and white reversed in one of them.
An extensive Collection of Stereoscopic and other Photographic Specimens.
The stereoscopic pair can be viewed without optical aids by those accustomed to this procedure, or by use of a simple double-lens stereoscope.
Romantic humour is marked by the extravagant improbability of dream-vision and by the same stereoscopic expression as in Romantic poetry.
But does that account for the stereoscopic process of which you speak, that makes two sub-personalities speak from a double head, that as it were prints two pictures on the same photographic plate?
Thus I had the sign in full: the powerful agent of the sun on earth had fixed Carl Elzner and his Protestant beer-garden on the stereoscopic view forever, whether the dull eyes of men could read them or not.
Following this reflection, I took a common stereoscopic view and subjected it to my lenses.
Stereoscopic pictures should create in the mind precisely such a conception as the two eyes would if viewing the object represented by the stereograph.
Like many of your correspondents, I have been an inquirer on the subject of stereoscopic angles, which seems to be still a problem for solution.
I told her I had not asked her to buy, and said: "Madam, I have here a stereoscopic lens.
It is noteworthy that from the outset De la Rue recognised the value of stereoscopic vision, which is now known to be of supreme accuracy.
Herr Pulfrich, of the firm of Carl Zeiss, has vastly extended the applications of stereoscopic vision to astronomy--a subject which De la Rue took up in the early days of photography.
It is that stereoscopic memory of which I told you once before.
I think Ingham says somewhere that it is the slight difference between the two stereoscopic pictures which gives to them, when one overlies the other, their relief and distinctness.
I have employed this method for obtaining transparent stereoscopic views of anatomical structures.
Elsie had got away by herself, and was taken up in studying the stereoscopic Laocoon.
I wish some wandering photographer would take a picture of the place, a stereoscopic one, if possible, to show how gracefully, how charmingly, its group of steeples nestles among the Maryland hills.
I send you two or three photographs; they are very poor, and not stereoscopic as I intended.
Mr. Stephenson had a 3A Kodak, I had the same and also a Verascope stereoscopic camera.
I used a Verascope, a small stereoscopic French machine whose "click" is almost noiseless.
Can any of your readers inform me what are the proper angles under which stereoscopic pictures should be taken?
It is said that stereoscopic pictures at great distances, such as views, should be taken "with a small aperture.
I find that the pictures on a French stereoscopic slide I have by me have been taken at an angle of 10°, or 1 in 6.
It would be a great assistance to beginners in the stereoscopic art, if some experienced gentleman would state the best distances and angles for taking busts, portraits, groups, buildings, and landscapes.
Old stereoscopic camera, with mechanical arrangement for transferring plates to and from the dark slide.
Bedford--One of Archer's first cameras for collodion process, stereoscopicarrangement by Archer to fit a larger camera.
The drum was turned by a handle attached to cog wheels, so that a person sitting before it could see the stereoscopic pictures with the utmost ease.
England also sends some of his charming stereoscopic pictures of Switzerland and Savoy.
I must not forget to mention a very interesting series of twenty-four stereoscopic pictures by Mr. Alfieri, illustrative of "The Potter's Art.
If the arc through which the camera is moved to its second station be too large, the stereoscopic picture will be unnaturally and unpleasingly distorted.
Stereoscopic effects may, however, be produced even without this precaution and it is possible to obtain some queer results by combining certain pictures.
If two pictures taken by a stereoscopic camera are placed as indicated by the arrows at the right and the left, they will appear superimposed in the position of the arrow in the rear.
They are made with and without stereoscopic attachments.
Naturally, those without stereoscopic attachments are lighter and more compact than those with, and may be preferred by persons desiring to make single views or portraits only.
The 3 suitable sizes are fitted with partitions, and extra fronts for stereoscopic work.
