Stereo Testing Viewer Ortho-Rater, c. 1950

Stereo Testing Viewer Ortho-Rater, c. 1950 Bausch & Lomb, Rochester. Height-adjustable device for measuring depth of vision and visual acuity as well as color blindness, with 220-volt electric operati

c1950 collection of Viewmaster products all to work in conjunction with one another, collection includes the stereo camera with tan leather case, 3-D viewer with power cord - tested and working, flash

Brewster-Type Stereo Viewer, c. 1856 Unmarked, birch body, for 3 ½ x 7 in. stereo cards and slides, mirror missing, 2 adjustable oculars in wooden mounts. Very early Brewster-type viewer. – Literat

Mattey 6 x 13 Hand-Held Stereo Viewer, c. 1920 A. Mattey, Paris. Stereo viewer for slides of 6 x 13 cm, rack-and-pinion focusing, distance setting of eyepieces with scale, walnut wood body. Hand-Stere

Ernemann 9 x 18 Hand-Held Stereo Viewer, c. 1915 Heinrich Ernemann, Dresden. Stereo viewer for cards and slides of 9 x 18 cm, focusing by rack and pinion, walnut wood body. Hand-Stereobetrachter Ernem

Le Plistero Stereo Viewer, c. 1910 Klein. Paris. Viewer for stereo slides of 45 x 107 mm, with black bellows and strut focusing, in very good condition. Stereobetrachter Le Plistero 45 x 107, um 1910

Whiting's Sculptoscope, 1 cent coin operated stereo viewer, c 1920, made by American Novelty Co., Cincinatti, coin operated with manual image advance. Contains stereo cards with 3D views of American g

(2) Taxiphote table stereo viewers, c. 1910, France, hinged mahogany case mounted with adjustable focus binocular eyepieces, the interior fitted with elaborate metal and magnifying glass mechanism, ma

Double-sided Stereo Table Viewer, c. 1890 France. For 48 stereo cards of 9 x 18 cm, can be used by two people from both sides at the same time, prism eyepieces can be pulled out from both sides for fo

LARGE LOT OF ASSORTED VINTAGE STEREO EQUIPMENT, C. 1950/60

Cornu Ontoscope Stereo Camera and Stereo Viewer with Autochromes, c. 1930 1) Cornu, Paris. No. 5526 for 6 x 13 cm, chrome-plated brass body, with brilliant and Newton viewfinders, lens board with hori

Three 19th c Stereoviewers- One desktop viewer with drawer and cards, one brass and walnut viewer with loose optical lens, and handheld viewer with aluminum eyepiece.

Underwood Stereo Viewer with Cards, c. 1900 Underwood & Underwood. Holmes-pattern stereo viewer for cards of 9 x 18 cm. With 18 stereo cards "Neue Photographische Gesellschaft Steglitz-Berlin", motifs

A fold tabletop rosewood stereoscope with graphoscope above stereo viewer, scroll-cut easel adjustment, scroll-cut hinged card stand with light diffusing glass lens for viewing tissue stereo views, in

Table-Top Series Stereo Viewer (9 x 18), c. 1890 H. Mackenstein, Paris. Series viewer with endless chain transport for stereo cards or glass slides of 9 x 18 cm, big oculars, rack-and-pinion focusing,

Stereo Viewer (8,5 x 17), c. 1870 London Stereoscopic Company. Stereoscope for stereo slides and stereo cards of 8,5 x 17 cm, with burr-walnut-veneered body (with some dents), fixed focus lenses, with

Table Stereo Viewer and Stereo Slides, c. 1900 France, for 25 stereo slides and stereo cards of 9 x 18 cm, mirror clap mirror replaced, fully working condition, ht. 33 cm. Accompanying the viewer are

Stereo Viewer 8,5 x 17, c. 1870 French manufacturer, stereoscope for stereo slides and cards of 8,5 x 17 cm, rosewood-veneered body, rack-and-pinion focusing (inoperative), on stand of marble and die-

Meopta Stereo Viewer 41 x 101, c. 1960 Meopta, Prague, Czechoslovakia. Viewer for stereo slides with frame size 41 x 101 mm, tiltable on a stand, individually focusable oculars, electric illumination

Luxury Hand Stereo Viewer 9 x 12 cm, c. 1880 Very attractive unmarked hand-held stereo viewer for slides and prints, ogee-shaped rosewood-veneered body, focusable oculars with brass barrels, with mirr

Victorian table top folding double optic Stereoviewer in very good original condition. All the glass lenses are in good condition. Beautiful condition with no cracks in the wood. Includes stereoview c

Two 19th Century Stereo Optic Viewers with Scenic View Cards. Viewers measure 12-1/2"l. Condition: Good with use wear.

Late 19th c Becker type box stereo viewer, hand turned chain drive revolving mechanism allows for multiple cards to be pre-loaded, capacaty 50 glass views, 17" x 10" x 10 1/2"

Zeiss Ikon Stereospekt (45 x 107) with 2 Leporellos, c. 1926 Zeiss Ikon, Dresden. Stereo viewer for serial plates of 45 x 107 mm, with rack-and-pinion focusing, two ‘leporello’ transport-m