When was the velox photographic paper invented. Inventors and Inventions: B 2018-11-19

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Leo Baekeland and Bakelite: The Plastics Revolution

when was the velox photographic paper invented

Velox Developer In the picture above there is a small packet of “Velox” developer which contains two components – a blue packet and a white packet. The 55-year-old Louis Washkansky received the heart transplant; Washkansky lived for only 18 days after the operation, dying from pneumonia his immune system had been weakened by drugs designed to suppress the rejection of the new heart. It was likely that Fine Grain Duplicating Negative 1203 was sensitive to all colours panchromatic , because colour filters could be used to change the tonal rendering of scenes when making duplicate negatives. ”Velvet” had a slight surface texture with a very slight gloss finish. As others have said, Velox was Kodak's own brand of contact paper for making same-size prints from negatives. This looks promising and it will be worth while to determine in how far this mass which I will call D is able to make moulded materials either alone or in conjunctions with other solid materials as for instance asbestos, casein, zinc oxid sic , starch, different inorganic powders and lamp black and thus make a substitute for celluloid and for hard rubber.

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Leo Hendrik Baekeland: Chemist and Inventor

when was the velox photographic paper invented

Velox Rapid was primarily used for making contact prints from quarter plate or smaller B+W negatives. Then chemicals would be used to produce the print which was of blue-black color. This is typical of paper manufactured during the “change over” period of labeling and quantities. There are way too many brandings to be listed and discussed here. He then started his own laboratory in Yonkers, New York, where he invented Bakelite in 1907.

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Leo Hendrik Baekeland

when was the velox photographic paper invented

The most important inventor of plastic was Leo Baekeland - Belgium born American chemist who created not only Velox photographic paper in 1893 but also synthetic plastic called Bakelite in 1907. Bakelite is a thermosetting resin—that is, once molded, it retains its shape even if heated or subjected to various solvents. Both sides of the film had retouchable surfaces. Burbank was raised on a farm and only went to elementary school; he was self-educated. Sadly, company was not successful, and under new management managed to elude total bankruptcy until early 1870s. Fine Grain Duplicating Negative 1203. The film speed in 1940 varied slightly according to the developer used to process the film, though only by two thirds of a stop.

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10 Facts About Leo Baekeland » Almanac » Surfnetkids

when was the velox photographic paper invented

Some of you might be wondering why this is such a big deal and why something like film or paper even has an expiration date? The paper was exposed to daylight via a glass negative plate, the two being held in close contact within a contact printing frame, as already described above. Taken from Velox paper instruction sheet, dated 1922. In July 1962, the paper was initially sold as a “Special Order” item, and the minimum order accepted was for 1000 square feet in area of any one contrast grade and size. Often times you will see old film begin to show a color shift and lower sensitivity. Behaim made the earliest globe, called the Nürnberg Terrestrial Globe. The bracelet above is made of butterscotch bakelite.

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Kodak History Notes

when was the velox photographic paper invented

His first objective was to find a replacement for shellac made from the excretion of lac beetles. Dektol instructions on the back of the bottle: Dilute 1+9 1 of the concentrate plus 9 of water and develop 1½ - 2 minutes at 68°F. Special Grade had a contrast between “Soft” and “Normal” and was made in glossy paper only. By the early summer of 1907, Baekeland changed his focus from trying to create a wood coating to trying to strengthen wood by actually impregnating it with a synthetic resin. In 1924, Baird televised objects in outline.

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At Lake Como

when was the velox photographic paper invented

In 1952 Verichrome film was sold in 8 roll film sizes, the largest being 122 size, which produced a negative of 3¼ x 5½ inches, 6 exposure to one roll of film. Exactly the same film was included in the black and white section of the “Kodak Professional Product Profile” catalogue of 1999. At Baekeland's death in 1944, the world production of Bakelite was ca. It was a general purpose film with a very wide exposure and development latitude, making it popular for amateur photographers, author included. Although Adolf von Baeyer experimented with this material in 1872, he did not complete its development. The left hand box shows an American version of Plus-X Pan Professional film made by Eastman Kodak at Rochester, New York with a “Dev Before” date of November 1970.


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Leo Baekeland

when was the velox photographic paper invented

To complete the transfer, the print and it’s intended support were immersed in water at a temperature of 100°F to 105°F until the print base, the paper which the photographic emulsion was coated onto in the first place, came away from the intended support. It has two wheels of the same size , and the rider sat between the two wheels, but there were no pedals; to move, you had to propel the bicycle forward using your feet a bit like a scooter. But the insensitivity to red light was useful in the darkroom, as the film could be handled and developed under a relatively bright red safelight. Back label of the sheet film box. One of the last was Kodak “Solio”, a glossy single weight paper which gave tones from purple to red. The first person who managed to create man-made plastic compound was Alexander Parkes, metallurgist and inventor from Birmingham, England. Leo Hendrik Baekeland American 1863 - 1944 Baekeland invented a photographic paper that worked to make contact prints under artificial light.

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Inventors and Inventions: B

when was the velox photographic paper invented

This experience led him a few years later, when he was working as an independent consultant, to invent Velox, an improved photographic paper that could be developed in gaslight rather than sunlight. For Fine Grain Positive Film, the stock solution was diluted 1 part developer with 3 parts water, and the film developed for 1½ to 2 minutes at about 68°F 20°C. He was blinded as a child, and invented his extraordinary system in his early teens. It types raised dots onto paper. Leo Hendrik Baekeland November 14, 1863 - February 23, 1944 was a Belgian-born American chemist who invented Velox photographic paper 1893 and Bakelite 1907 , an inexpensive, nonflammable, versatile, and very popular plastic. In 1899 Baekeland sold his company and rights to the paper to the U. Graham thought such substances represented an entirely different organization of matter.

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Velox photographic paper and Bakelite invented by Leo Baekeland

when was the velox photographic paper invented

Like most immigrants of his day, he wished to be wholly American. This means that the presence of a photographer's or magazine's stamp does not in and of itself indicate the photo is vintage or original. The 1933 Kodak Professional Catalogue states that prints could be mounted onto a light coloured backing paper. My thanks to Jack Milne in Australia for directing me to this site. Kodesko is another paper Michael Talbert has found reference to.

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