The stereoscope and stereoscopic photography (1890)
Drouin, F. (Felix) · Bradford ; London : Percy Lund, The Country Press · leaf 67
ase isformed of a frame on which the photographs arefixed by two clips. The plane of the lenses isjoined to this frame by two supports, which canbe more or less bent for focussing purposes. Toeffect this, a band of black cloth (which forms at 6o THE STEREOSCOPE the same time a screen between the… … the supports, the balance of the whole beingrestored after each complete turn. Sundry Stereoscopes. — We have nowexamined the more usual forms of the stereoscope;but there are others which, though not very AND STEREOSCOPIC PHOTOGRAPHY. 6l practical, are still very interesting, and worthy ofbrief…
Stereoscope · Photography, Stereoscopic
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![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-311-203.webp)
