This item is a grey and red metal personal viewer with a built in light source to illuminate backs of colour transparencies. Viewer can be adjusted by either knob on the sides or top. The push leaver on the side rotates the images within the reel.

Item is a grey and beige circular plastic viewmaster and long advance lever. Battery compartment is located at the bottom of the viewer. Label underneath: H.H. M. Bass

Item is a brown plastic 3D viewer built with a push-down lever between the lenses. The lever is designed to rotate a reel containing three-dimensional black and white 35 mm acetate film manufactured by Tru-Vue Company. Images are inserted through the slot on the left side of the lenses. Item comes with square plastic windows to illuminate backs of transparencies on view. Once the film is circulated, it rewinds itself on the right hand side of the viewer. Item comes in original box with 6 original films depicting the Golden Gate Exposition and San Francisco’s major landmarks. Item also comes with original pink catalogue explaining how to use the Tru-Vue and how to order new film, as well as a business card for True-Vue Inc, that is also an order form. Written on object : Tru-View Rock Island, Ill. U S PAT. 90564 Made in U.S.A. Written on box : Tru-Vue Ins. Pictures With Depth Rock Island Illinois Printed And Made In U.S.A.

Item is a hand held wooden stereoscope manufactured by Underwood & Underwood. Viewer hood is made of aluminium, lined with velvet and adorned with floral engravings. Handle folds back onto viewer and card slider can be adjusted. Written on top of item : Sun Sculpture U&U trademark. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images have overlapped to mimic a three-dimensional effect.

Written on handle : Man'f'd by Underwood & Underwood, New York, June 11, 1901, Foreign Patent Applied For. Written on Hood : BASS.

Item is a brown plastic 3D viewer built with a push-down lever between the lenses. The lever is designed to rotate a reel containing three-dimensional black and white 35 mm acetate film manufactured by Tru-Vue Company. Images are inserted through the slot on the left side of the lenses. Item comes with square plastic windows to illuminate backs of transparencies on view. Once the film is circulated, it rewinds itself on the right-hand side of the viewer. Item comes in original box with 4 original films depicting the Grand Canyon's major landmarks.

Written on object : Tru-View Rock Island, Ill. U S PAT. 90564 Made in U.S.A. Written on box : Fifty-Six Scenes Of The Grand Canyon Of Arizona In Three Dimensional Photography.

Item is a hand-held wooden viewer, base and handle attached to a metal accordion fold. Handle is able to bend back onto viewer. This sterescope was built with a card holder and hood to protect eyes from additional light that could disrupt the image.

Written on object : Patented Jul 5. 1870 & Mar.26.1878.

Item is a plastic and metal 3D viewer used to observe reels of Kodak colour three-dimensional transparencies. Knob on the side switches transparencies. Item comes in original box.

Written on box: " For life-like pictures in 3 dimensions. Focus and interocular adjustments, takes all standard stereo mounts, operates anywhere-converts to 110-volt"

Item is a wooden combination graphoscope and stereoscope. The graphoscope is a viewing device used to enlarge photographs and text. Item is a built with a magnifying glass in a wooden frame that can collapse onto itself. Whereas, the Stereoscope was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect. Item has a cut out of a clover leaf on the cardholder. This item comes with a removable viewing lens for the stereoscope. Underneath the body is an extendable handle, this accessory allows for the stereoscope to be either handheld or sit as a tabletop viewer.

Item is a Kromskop viewer developed by Frederic E. Ives in 1895. Item comes with 1 monochrome transparency made from 3 colour separation negatives layered together; these transparencies were often referred to as kromograms. Kromograms were known as early examples of colour photography available as both mono and stereo images. A glass monoschrome plate is placed on top of object, when viewed through glass eye holes the image is overlapped with three kromograms making the stereograph appear three-dimensional and coloured. It is built in a staircase-shaped box with two eyeholes on the front. The articulated base allows the viewer to be properly oriented with light. At the back of the object is a tilting mirror. The mirror is designed to redirect light into the virtual window above. Lighting can be controlled so that the colour will not be distorted and take on a dominate colour.

Item is a brown plastic 3D viewer built with a push-down lever between the lenses. The lever is designed to rotate a reel containing three-dimensional black and white 35 mm acetate film manufactured by Tru-Vue Company. Images are inserted through the slot on the left side of the lenses. Item comes with square plastic windows to illuminate backs of transparencies on view. Once the film is circulated, it rewinds itself on the right hand side of the viewer. Item comes in original box with 4 original films depicting Pikes Peak Region and Depth Photography. Item also comes with instructions on how to use the Tru-Vue set and an additional business reply card with more instructions for the camera.

Item is a wooden stereoscope viewer meant to be held. Has glass lenses and metal surrounding the lenses. Wooden circles around the lenses and metal are falling off

Item is a pair of stereoscopic glasses. Front piece appears to be plastic and glass and ear pieces are metal. Slit in front of each lenses to place a small stereoscopic slide.

This item is black a 35mm stereo camera with f3.5 lenses and seperate detachable flash.

Item is a plastic stereo camera typically found through mail order catalogues. For 4.5 x 5 cm exposures on 127 mm roll film. Shutter speed 1/50. Twin f11 menscus fixed focal lenses. Lens are labelled as 1 and 2. Written on item: Bioncular viewfinder patents applied for, coronet 3-D, present use 127 film, to take 8 picture close cover blase over No.1 lens make exposures on every number from 1 to 8, to take 4 pairs stereo picture open cover blase over no.1 lens. make exposures only on odd numbers (1, 3, 5 and 7), use no. 127 roll film.

Item is a plastic three-dimensional stereo camera with binocular viewfinder. This item makes 4 stereo pairs or 8 single images, exposure is 4.5 x 5 cm on 127 mm roll film. The single shutter-speed is 1/50, twin f11 meniscus fixed-focus lenses, lenses are separated by 53 mm. Instructions on how to use the camera on labelled on the back of the object by manufacturer. Item has simple uncoated lenses with flash contacts on the right side.