what are some positives and negatives of television
Yes, when multiplying or dividing two negatives the result is a positive number.
When you have two negatives, you add the magnitudes, but since, you have both negatives, the direction of the resultant magnitude is along the negative direction, so you add the magnitude and put the negative sign.
194
The answer is positive.
Enlarger
Photoflo is a soap-like chemical used to wash the developing chemicals off photographic prints and negatives.
Many are. But if you're referring to the main one used to form a stable image on the transparent backing, that would be silver.
Used in photographic printing. It's now known as an enlarging easel. It holds the photographic paper in place below an enlarger so that projected enlargements can be made from smaller negatives. Nora Hague Notman Photographic Archives
For photographic plates silver halides are used.
Not helium. But xenon is used in photographic lamps
Double negatives are illogical.
Fomex is a brand of photographic equipment, especially photographic lighting
There is no specific collective noun form photographic film, in which case a noun suitable for the context is used, for example a roll of photographic film, a case of photographic film, an archive of photographic film, etc.
Uranium is commonly used in the nitrate in photographic toners. and good luck with that crossword puzzle
Kurt I. Jacobson has written: 'Developing, the negative-technique' -- subject(s): Developing and developers, Negatives, Photography 'Developing' -- subject(s): Developing and developers, Negatives, Photography 'Imaging systems' -- subject(s): Applied photography, Imaging systems, Photographic Images
Photographic film was invented in 1889 by George Eastman. Photographic film and paper is made using silver nitrate which is light sensitive.