Example sentences of "[adj] was not [verb] until [adj] " in BNC.

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1 Part 2 of the National Insurance Act authorized technical retraining schemes for adults , but this was not implemented until 1925 .
2 It originates from an Italian request to the Council of Ministers in 1973 to identify environmentally ‘ balanced ’ and ‘ unbalanced ’ areas in the Community ; the first attempts to do this were unsuccessful and , though by 1981 it was clear that a new approach based on an environmental information system was the most promising one , funding for this was not secured until 1985 .
3 Cadmium is a very volatile metal that has to be prepared by distillation ; as this was not achieved until 1818 , solders containing cadmium can not be ancient .
4 Yet Maxwell , perhaps because he never achieved an adequate exposition of what he described as his ‘ somewhat awkward theory ’ ( this was not made until 1941 ! ) failed to convince such leading contemporaries as Thompson and Helmholtz , or even the brilliant Austrian Ludwig Boltzmann ( 1844–1906 ) , whose memoir of 1868 virtually launched statistical mechanics as a subject .
5 This was not invented until 1913 and in its early simple form consisted of steel with a chromium content : this made the alloy highly resistant to corrosion .
6 The latter was not re-elected until 1933 .
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