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Bakelite (/ ˈbeɪkəlaɪt / BAY-kə-lyte), formally polyoxybenzylmethyleneglycolanhydride, is a thermosetting phenol formaldehyde resin, formed from a condensation reaction of phenol with formaldehyde. The first plastic made from synthetic components, it was developed by Leo Baekeland in Yonkers, New York, in 1907, and patented on ...
Leo Baekeland. Leo Hendrik Baekeland HonFRSE (November 14, 1863 – February 23, 1944) was a Belgian chemist. Educated in Belgium and Germany, he spent most of his career in the United States. He is best known for the inventions of Velox photographic paper in 1893, and Bakelite in 1907.
The Ericsson DBH 1001 of 1931 was a collaborative project between the Elektrisk Bureau in Oslo, Televerket (Sweden) and Lars Magnus Ericsson (1846–1926). It was designed by Norwegian electrical engineer Johan Christian Bjerknes (1889-1983) and Norwegian artist and designer Jean Heiberg (1884–1976). It was the first Bakelite phone with ...
Bakelite is a brown-black mouldable thermosetting plastic, and is still used in some products today. In the 1930s some radios were manufactured using Catalin, which is the phenolic resin component of bakelite, with no organic filler added, but nearly all historic bakelite radios are the standard black-brown bakelite color. Bakelite as used for ...
Catalin is a brand name for a thermosetting polymer developed and trademarked in 1927 by the American Catalin Corporation of New York City, when the patent on Bakelite expired that year. [1] A phenol formaldehyde resin, it can be worked with files, grinders, and cutters, and polished to a fine sheen. Catalin is produced by a two-stage process ...
EKCO. EKCO (from Eric Kirkham Cole Limited) was a British electronics company producing radio and television sets from 1924 until 1960. Expanding into plastic production for its own use, Ekco Plastics produced both radio cases and later domestic plastic products; the plastics company became Lin Pac Mouldings Ltd.
Model 302 telephone. The model 302 telephone is a desk set telephone that was manufactured in the United States by Western Electric from 1937 until 1955, and by Northern Electric in Canada until the late 1950s, until well after the introduction of the 500-type telephone in 1949. The sets were routinely refurbished into the 1960s.
A vintage Post Office Telephones van, dating from 1946. Until 1982, the GPO had a monopoly on the provision of all telephone lines and telephones within the UK, other than in Kingston upon Hull, which for historical reasons was unique in maintaining its own municipal telephone service. Customers of the GPO (known internally as "subs", short for ...