The Keystone View Company was a major distributor of stereographic images, and was located in Meadville, Pennsylvania. By it was the world's largest stereographic company.

In Department A stereoviews sold to individual families and the Education Departments were closed down, but Keystone continued to manufacture eye-training stereographic products as a subsidiary of Mast Development Company. In Mast closed the Meadville manufacturing site. The company was started in Meadville, Pennsylvania by B. In Singley came to Meadville, in northwestern Pennsylvania, to enroll at Allegheny College's preparatory department.

College records list him as a first year prep student Keyston three years in a row; after his name disappears from college listings. Davis showed him a stereograph of two silver Meadvillf foxes in the woods. Gazing at the three-dimensional image caused Singley to understand the educational potential of stereoscopic photography, and enkindled in him a desire to teach others through the use of steroviews.

James M. Davis distributed the stereoviews of the Kilburn Brothers and Benjamin W. In French Creek overflowed its banks and flooded Meadville. Singley photographed the damage, developed multiple prints of 30 negatives and pasted them on cardboard mounts bearing the name of Keystone View Company. By the company had issued approximately different views. The company expanded rapidly and bythe year the Keystone View Company was incorporated, it was the largest business of its kind in Keysgone world.

All of the manufacturing was done in Meadville, but branch offices were in New York, St. Salesmen and photographers were scattered around the Mezdville, and the company was offering 20, different views. In Keystone View Company began its Educational Department, selling views and glass lantern slides the 4 x 3. They also produced lantern slide projection equipment. Over the years hundreds of educational sets were marketed eKystone teach geography, social studies, science, history and reading.

They even produced and sold a special line Empire Management Company stereoview sets for medical students. Lantern slides and stereoviews were often combined in sets, with one side of a stereoview printed on glass so that a two-dimensional image Pennsylvaniaa be projected on a screen for the entire class to see.

Students could then take turns viewing the three-dimensional version of the photos with the stereoviews and one of the many stereoscopes that came with the set. The large classroom sets came housed in furniture quality wooden cabinets, which were made by the company. Between and Keystone View Company purchased the negatives Keystone View Company Meadville Pennsylvania nearly all of its competitors; they also continued to have staff photographers travel the world, so that by Keystone had approximately two million stereoscopic negatives.

Keystone View Company produced stereographic sets up through the mid-twentieth century, and had a stereoscopic photographer on staff until at least Professional Seo Company Ahmedabad In Keystone's Stereoscophthalmic Department was formed to meet the needs of eye specialists, safety and efficiency engineers and Keystone View Company Meadville Pennsylvania who needed stereoscopic tests.

Keystone stereoscopic vision tests were used to test The Northern Trust Company Phone Number and truck drivers, as well as airplane pilots. For those diagnosed with certain vision problems special Pratt Company Aurora stereoscopes and stereoviews were used in the home for daily eye-training exercises.

As long as the Keystone View Company was owned by those who lived and worked in Meadville the Educational Department and Department A stereoviews continued to be produced. But as time went on the Stereoscophthalmic Department gained in importance. In B. Singley retired as the president Keystone View Company Meadville Pennsylvania the Keystone View Company.

He died on November 15,at the age of After Singley's retirement two long-time Keystone employees, Charles E. Crandall and George E.

Hamilton, purchased all of the Keystone View Company stock. For the next 20 years Crandall and Hamilton would run Keystone, and all three departments would continue operation. Crandall died in his office. George E. Hamilton became the sole shareholder, as well as the president, of the Keystone View Company. Hamilton died on May 15, The Companyy was owned by Gifford Mast and John Niemeyer.

As a subsidiary of Mast Development Company, Keystone produced telebinoculars, eye training products and overhead projectors. In Gifford Mast closed down the Meadville manufacturing site, although the name of Keystone View Company Keystone View Company Meadville Pennsylvania to be used on eye Pennsylvabia equipment.

On some views a number will appear in the upper center of the stereograph. It is the position of that view in its particular boxed set. From Wikipedia, the free encyclopedia. Johnson, Sr. Categories : Optics manufacturing companies Defunct companies based in Pennsylvania establishments in Pennsylvania disestablishments in Pennsylvania Photographic studios Stereoscopic photography Meadville, Pennsylvania Photography Keystone View Company Meadville Pennsylvania of the United States.

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