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Dr. Elisha Kent Kane
Elisha Kent Kane contracted rheumatic fever during his second year of university. This doubtless led him to the pursuit of medical studies (by age twenty-two, he had published a study of early pregnancy detection in the American Journal of Medical Sciences). Because of this training, he possessed a clear understanding of the clinical implications of the persistent endocarditis left by the disease. Without the benefit of antibiotics, it was the [...] Click here to continue reading.
Lumiere Tri-Chromie Process
The Tri-Chromie or three-color process basically uses black and white panchromatic film with three different colored filters to achieve a multi-colored image. The Lumiere Tri-Chromie process dates from about 1893. It was part of their color experimentation that eventually led to the Autochrome. It is not believed that the Tri-Chromie process was never sold commercially.
Information courtesy of Stereographica.com.
Albumen Prints
Albumen prints were a major nineteenth century photographic development in printing positive prints of high quality. Its discovery in 1850 followed experimentation with a number of less successful approaches.
The photographic process known as Salted Paper Prints was developed in 1834 by William Henry Fox Talbot, an Englishman. The process, though revolutionary for its time, had its limitations due to the use of paper for the negative and also for the printed [...] Click here to continue reading.
Trenton Falls, New York
The geologic feature known as Trenton Falls is located in Oneida County, New York and was a major tourist destination in the nineteenth century. The falls comprise several drops of the West Canada Creek totaling 270 feet over a series of limestone ledges creating seven major falls, including: Upper High Falls, Lower High Falls, Village Falls, Cascade of the Alhambra, Sherman Falls, Bridal Veil Falls and Mill Dam Falls.
Beginning [...] Click here to continue reading.
David Dixon Porter, Admiral USN (1813-1891)
Born at Chester, Pennsylvania, June 8, 1813, the son of David and Evelina Anderson Porter. David Dixon Porter married Georgie Ann Patterson, March 10, 1839 and they had ten children, including Lieutenant Colonel Carlile Patterson Porter.
He was commissioned Lieutenant, U.S. Navy, 1841, and commanded a landing party of 70 seamen and captured Fort Tabasco, Mexico, in 1847; he commanded the steamer Panama, 1849, and made a voyage [...] Click here to continue reading.
Stanhopes
The Stanhope viewer combines a miniature microphotographic lens and photograph hidden in a mid-nineteenth century novelty item.
The Stanhope takes its name from the inventor of its lens, Charles the 3rd Earl of Stanhope (1753 to 1816). He first developed a basic handheld viewer with two lens of unequal curvature. The design would later be modified to use one curved magnifying lens and one flat lens, although Stanhope himself died long before this [...] Click here to continue reading.
Cabinet Cards
In 1863 the cabinet card photographic image was introduced. This format, in many ways, was similar to its predecessor, the carte de visite, a paper albumen print mounted on card. The principal difference between the two formats was their size. The cabinet card mount measured approximately 6.5 inches by 4.25 inches. The images were slightly smaller measuring approximately 5.5 inches by 4 inches. Sometime in the 1870′s a new larger sized card [...] Click here to continue reading.
Salted Paper Prints
It was Englishman William Henry Fox Talbot who in 1834 developed the photographic process that would become known as Salted Paper Prints. The process involved several steps. First, a good quality writing paper was soaked in a solution of sodium chloride or common salt and then was allowed to dry. After the paper had dried it was covered with a 20% solution of silver nitrate. This solution adhered to the paper’s [...] Click here to continue reading.
Stereograph & Stereoviews
A stereograph or stereoview is a pair of almost identical images mounted side by side on a pasteboard card. The mounted images are then placed in a stereoscope. When viewed the images merge to form one three-dimensional image.
Some of the key names in early stereo photography in the U.S. working in the 1850′s and 1860′s were E. & H. T. Anthony, George Baker, Charles Bierstadt, Matthew Brady, C. D. Fredericks, [...] Click here to continue reading.
Stereoscope or Stereo Viewer
In 1832 British scientist Sir Charles Wheatstone invented a viewing device incorporating angled mirrors that became known as the “Wheatstone Stereoscope”. In 1838 he published a paper entitled Contributions to the Physiology of Vision on Some Remarkable and Hitherto Unobserved Phenomena of Binocular Vision. The basic theory of the paper stated that the human eye perceives objects in three dimensions because each eye sees things from a slightly different perspective. [...] Click here to continue reading.
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