Example sentences of "[prep] [prep] the time when " in BNC.

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1 This record is retained permanently , so if a specimen of rock is put into the detecting instrument , and various careful measurements made , it is possible to find out what the Earth 's magnetic field was like at the time when the basalt cooled from its original molten state .
2 So I believe it is a rather a waste of money , it 's just talking shop , shuffling papers about , and we regret that in in the time when er resources are difficult , staffing could be put elsewhere instead of this
3 Many go back more than a decade — to about the time when massive asbestosis judgments first started to trigger claims against insurance policies written in the 1950s .
4 Direct light came onto the sill and jambs of the embrasure at about the time when the noises of wheels and voices from the street were at their loudest .
5 He also noted that it was at about the time when Prince Albert , the Prince Consort , opened the Royal College of Chemistry , the precursor to Imperial College , that he also opened the new Grimsby dock .
6 At about the time when Becquerel was working on the radiation from uranium , G. T. Beatson , a surgeon in Glasgow , observed that the inoperable breast cancers of three patients underwent regression after he had removed their ovaries .
7 Tony took the overdose on Sunday night , at around the time when his father , his father 's girl friend and her son were due to come back from the pub .
8 Far , far more recently , at around the time when the Roman Empire was at its height , the Celts across Europe enjoyed a ‘ confederation ’ of which signs can still be seen today .
9 By about the time when Belli published his Arie , this strophic form which Caccini had clearly distinguished from the solo madrigals in his Nuove musiche was overtaking the madrigal in popularity and quickly surpassed it .
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