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In the US, size names are often denoted with a code of the format nR, where the number n represents the length of the shorter edge in inches. In the normal series, the long edge is the length of the short edge plus 2 inches (10 in or less) or 3 inches (11 in and above).
Examples include; Fortecolor film (also supplied by Konica), the Boots UK pharmacy chain color negative products from ca. 1973 until 2003 and AgfaPhoto color negative and slide films from 2005 until plant closure in 2009 (for Lupus Imaging). Ferrania Technology continues to produce chemicals for medical use and solar panels on part of the ...
A film format defined by the Advanced Photo System as 25.1 × 16.7 mm. Different manufacturers use this term for image sensors measuring between about 20.7 × 13.8 mm to 28.7 × 19.1 mm. This format has an approximate ratio of 1.5 : 1. ASA
Agfacolor. Ap-41 process (pre-1978 Agfa color slides; 1978-1983 was a transition period when Agfa slowly changed their color slide films from AP-41 to E6); Anthotype; Autochrome Lumière, 1903
In 1954, the Universities Federation for Animal Welfare (UFAW) decided to sponsor systematic research on the progress of humane techniques in the laboratory. [2] In October of that year, William Russell, described as a brilliant young zoologist who happened to be also a psychologist and a classical scholar, and Rex Burch, a microbiologist, were appointed to inaugurate a systematic study of ...
3R or three Rs may refer to: The three Rs , the basic elements of a primary school curriculum: reading, 'riting (writing), and 'rithmetic (arithmetic) The three Rs, the waste management hierarchy : reduce, reuse, and recycle
An optical communications repeater is used in a fiber-optic communications system to regenerate an optical signal. Such repeaters are used to extend the reach of optical communications links by overcoming loss due to attenuation of the optical fiber.
The skills themselves are alluded to in St. Augustine's Confessions: Latin: ...legere et scribere et numerare discitur 'learning to read, and write, and do arithmetic'. [3]