Occasionally the " Hindenburg "'s varnish is incorrectly identified as, or stated being similar to, cellulose nitrate which, like most nitrates, burns very readily.
32.
A Nitrate Film Preservation Facility on the Communications Research Centre campus in Shirleys Bay, on the outskirts of Ottawa, houses Canada's cellulose nitrate film collection.
33.
They are usually aluminum-based coated with cellulose nitrate lacquer, a thick black compound similar to that used in automotive paint from the 1920s through the'50s.
34.
The German chemists Arthur Eichengr�n and Theodore Becker invented the first soluble forms of cellulose acetate in 1903, which was much less flammable than cellulose nitrate.
35.
In addition to convenience, this served a safety purpose, as the cellulose nitrate thread was highly flammable and a loose accumulation of it combusted violently if ignited.
36.
In 1993 the UCLA Film and Television Archive started a restoration project on the series after the unstable cellulose nitrate film was found to be suffering from deterioration.
37.
One of the collections in the greatest danger is the 30, 000 recordings made at the turn of the 20th Century on cylinders coated with a chemical, cellulose nitrate.
38.
In 1965 a systematic programme began of conversion of film prints on the highly unstable cellulose nitrate base, which remained in commercial use into the 1950s, to security film.
39.
Agateen No . 27 ( cellulose nitrate ) and Paraloid B-72 are the most commonly used lacquers however there is a debate which lacquer, cellulose nitrate or acrylic, is best.
40.
Pure cellulose nitrate is brittle, and to make it malleable, chemists had to add a so-called plasticizer _ usually camphor, the same stuff that used to give mothballs their smell.
