Box 6
Contains 755 Results:
US Coast Survey Encampment. 7. U.S. Stereoscopic Company, Monadnock Scenery, New Hampshire, undated.
Many of the cards in this series are meant to be educational in nature. There are also some sets that are used for professional reasons. For example, the optometric community used stereographs to gauge vision and diagnose their patients.
Outside Paris Exposition, of 1900.
Many of the cards in this series are meant to be educational in nature. There are also some sets that are used for professional reasons. For example, the optometric community used stereographs to gauge vision and diagnose their patients.
Eye Training
Many of the cards in this series are meant to be educational in nature. There are also some sets that are used for professional reasons. For example, the optometric community used stereographs to gauge vision and diagnose their patients.
Increase in divergence from monument to Fountain. Keystone View Company. Made in U.S.A. B12. EC 130. Keystone Stereoscopic Service. Copyright Keystone View Co., undated.
Many of the cards in this series are meant to be educational in nature. There are also some sets that are used for professional reasons. For example, the optometric community used stereographs to gauge vision and diagnose their patients.
Fusion Amplitude 20 delta Convergence in Upper pictures to 26 delta Convergence in Lower Picture. The Human Body is strengthened by Proper Exercise-The Keys are no Exception. Keystone View Company. Keystone Stereoscopic Service. Copyright Keystone View Co. Made in U.S.A., undated.
Many of the cards in this series are meant to be educational in nature. There are also some sets that are used for professional reasons. For example, the optometric community used stereographs to gauge vision and diagnose their patients.
Fusion Amplitude 15 delta Convergence in Upper pictures to 20 delta Convergence in Lower Picture. Keystone View Company. Made in U.S.A. b02. Ec 28. Keystone Stereoscopic Service. Copyright Keystone View Co., undated.
Many of the cards in this series are meant to be educational in nature. There are also some sets that are used for professional reasons. For example, the optometric community used stereographs to gauge vision and diagnose their patients.
Fusion Amplitude: From 6 delta in upper pictures to prthophoria in Lower Pictures. Keystone View Company. Made in U.S.A. B02. EC 24. Keystone Stereoscopic Service. Copyright Keystone View Co., undated.
Many of the cards in this series are meant to be educational in nature. There are also some sets that are used for professional reasons. For example, the optometric community used stereographs to gauge vision and diagnose their patients.
From 15 delta divergence in upper pictures to 10 delta divergence in lower pictures. Keystone View Company. Made in U.S.A. B02. EC 22. Keystone Stereoscopic Service. Copyright Keystone View Co., undated.
Many of the cards in this series are meant to be educational in nature. There are also some sets that are used for professional reasons. For example, the optometric community used stereographs to gauge vision and diagnose their patients.
Fusion Amplitude: From 11 delta divergence in Upper Pictures to 5 delta Divergence in lower pictures. Keystone View Company. Made in U.S.A. B02. EC 23. Keystone Stereoscopic Service. Copyright Keystone View Co., undated.
Many of the cards in this series are meant to be educational in nature. There are also some sets that are used for professional reasons. For example, the optometric community used stereographs to gauge vision and diagnose their patients.
Fusion Amplitude: From 20 delta Convergence in Upper Pictures to 26 delta in lower pictures. Keystone View Company, undated.
Many of the cards in this series are meant to be educational in nature. There are also some sets that are used for professional reasons. For example, the optometric community used stereographs to gauge vision and diagnose their patients.