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Microscope Museum Collection of antique microscopes and other
scientific instruments |
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Microscope illuminator by Prior
(1930s) This item is a bench microscope lamp labelled by Prior and should be
dated to the 1930s. The same lamp model was sold by several other firms such
as Busch and Hearson (Figure 1). WR Prior & Co Ltd was founded by Walter
Robert Prior in 1919. The company was originally located at Eagle Street,
Holborn, London and later at Devonshire Street, London. Little is known about
the Company during this time and no records or catalogues exist as to when
and why they began to produce microscopes under the Prior name. A WR Prior
catalogue of microscopes and accessories dated 1950 gives the location of the
office as Devonshire Street and the factory as Bishop’s Stortford, Herts.,
England, where manufacturing was carried out from 1942 to 1957. On 10 January
1947 Walter Robert Prior died at the early age of 55. The company relocated
to a new factory at London Road, Bishop Stortford in 1956 and continued to
produce and develop new microscopes. By 1960, Prior and Charles Perry merged together but kept their separate names until about
1970. In 1978 WR Prior & Co Ltd was acquired by The Gwyndann
Group of Companies and the name of the company was changed in 1979 to that of
Prior Scientific Instruments Ltd. In 1981 Prior Scientific Instruments Ltd
merged with James Swift and Son Ltd (founded in the mid 19th century). Fire
at the Bishop Stortford factory in 1988 meant the company had to relocate to
its present site in Fulbourn, Cambridge, England,
offering precision mechanical engineering, optics, electronics
and precision assembly. Expanding its operation further the company opened a
new office in 1991, Prior Scientific Inc, based in the USA, in 2008 Prior
GMBH in Jena, Germany, in 2010 Prior KK in Tokyo, Japan and in 2018 Prior
China. Figure 1. Bench microscope lamp, model M3, as
featured on a catalogue of the firm Hearson of the 1930s. |