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The Ilford Manual of Photography is a comprehensive manual of photography, originally authored by C.H. Bothamley and first published in 1890 by The Britannia Works Company, which became Ilford, Limited in 1901. The 1890 edition was revised by Bothamley many times over a period of forty years until the first multi-authored edition, edited by ...
Ilford PAN F Black & white film. Harman Technology Limited, trading as Ilford Photo, is a UK-based manufacturer of photographic materials known worldwide for its Ilford branded black-and-white film, papers and chemicals and other analog photography supplies.
HP is a cubic-grain black-and-white film from Ilford Photo with a long history. [2] It originated as Hypersensitive Panchromatic plates in 1931. Since then it has progressed through a number of versions, with HP5 plus (HP5+ for short) being the latest. The main competitor of Ilford HP5 Plus is Kodak Tri-X 400.
A notch code is a set of notches or recesses cut into the edge of a piece of sheet film to provide a tactile way to identify the film brand, type, and processing chemistry (e.g. black and white, color negative, or color reversal) in the dark. It enables photographers to identify the emulsion side of the film when loading sheet film holders, and ...
Ilford Delta is a series of photographic films manufactured by Harman Technology Limited. Delta films are tabular-grain black-and-white films, [2] and originally released in 400 ISO only to compete with Kodak's T-Max film. [3] Ilford recommends Delta 100 and 400 as replacements for the discontinued Agfa APX100 and APX400 films, respectively. [4]
Although it had been used on a few rapid transit systems and on a Blackpool tram, [citation needed] the first use of the high reach pantograph in the UK was the main lines was back in 1974 when a small number were fitted to some Class 309s based at Ilford EMU Depot. These continued to be used until around 1980 when they were all removed.
C-41 is a chromogenic color print film developing process introduced by Kodak in 1972, [1] superseding the C-22 process.C-41, also known as CN-16 by Fuji, CNK-4 by Konica, and AP-70 by AGFA, is the most popular film process in use, with most, if not all photofinishing labs devoting at least one machine to this development process.
Cellulose diacetate film was first created by the German chemists Arthur Eichengrün and Theodore Becker, who patented it under the name Cellit, from a process they devised in 1901 for the direct acetylation of cellulose at a low temperature to prevent its degradation, which permitted the degree of acetylation to be controlled, thereby avoiding total conversion to its triacetate.