Example sentences of "in use at [art] time " in BNC.
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1 | Having discovered that if he took cinchona or Peruvian bark , from which quinine is derived , he developed the symptoms and signs of intermittent fever ( malaria ) , and knowing that cinchona was an effective treatment for malaria , Hahnemann went on to experiment with other substances in use at the time to see what symptoms and signs they would produce . |
2 | He began experimenting with other drugs in use at the time and , using his extensive knowledge of botany , he investigated the effects of a number of medicinal plants , both on himself and on a small circle of friends and pupils . |
3 | In general , though , thinking was retarded by the dichotomous classifications that were in use at the time . |
4 | It is unusual to find a large deposit containing pottery the whole of which can be grouped into a narrow date bracket , and the most obvious examples on occupation sites are caused by the destruction of a building which has pottery in it , in store or in use at the time . |
5 | Details of 53 schemes were collected , 51 already in use at the time of the review in 1983–4 and two of which were in their final stage of development and have since come into operation . |
6 | Mr Seymour told the court that the antiquated detonators in use at the time of Bellgrove were not considered adequate for use on the modern railway . |