Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 299
a na-tural picture where the parts which con-stitute* it are separated by actual measur-able space. We will now proceed to examine theconstruction of the compound Stereoscopepicture. It has already been explainedthat it is constituted of two pictures, eachtaken from a different point of sight… … being all that is necessary to produce withthe aid of the Stereoscope, the effect of onearrow standing through a single circle withthe barbed end uppermost, it now remainsto explain how this effect is produced. Itis important to know that in looking atnatural objects both eyes are…
Photography · Art and photography
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