Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,947 pages of information and 228,874 images on early companies, their products and the people who designed and built them.


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Schlumberger Limited is now the world's largest oilfield services company. Schlumberger employs approximately 123,000 people representing more than 140 nationalities working in more than 85 countries. Its principal offices are in Houston, Paris, and the Hague.

1926 Schlumberger was founded by French brothers Conrad and Marcel Schlumberger as the Société de Prospection électrique.

In the UK

1962 Bought Daystrom including Heathkit

1975 Bought Solartron Electronic Group

1983 Opened the Cambridge Reseach Centre and renamed in 2012 as the Schlumberger Gould Research Center

1993 Sold Solarton to a management buyout

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