30-30

But one convoy alone, according to Lysenko, consisted of 32 tanks, 16 D-30 howitzers and 30 KamAZ heavy trucks.
Putin Is Lying on Ukraine—and the West Can’t Stop Him|Jamie Dettmer|November 14, 2014|DAILY BEAST
Dear Blogger: My fiance and I are roughly-30-year-old software developers.
First World Financial Problems|Megan McArdle|March 11, 2013|DAILY BEAST
In it, Meryl Streep, who is 63, plays a married-for-30-years woman who has been sexless for a half decade.
Meryl Streep, ‘Hope Springs,’ and Senior Sex: Why Seniors Are Getting It On|Karen Springen|August 10, 2012|DAILY BEAST
Polls show he won the under-30 vote by 34 points, the largest of any candidate in a generation.
How Obama's College Plan Hurts My Generation|Zac Bissonnette|November 10, 2008|DAILY BEAST

A carbon B dry plate was used, with thirty-five minutes' exposure, with stop f-30.
Scientific American, Volume 56, No. 9, February 26, 1887|Various
He claimed that Osiander had written the preface; but Kepler's article never was-30- finished and remained unpublished till 1858.
The gradual acceptance of the Copernican theory of the universe|Dorothy Stimson
Lastly, in-30- the debates of that excitable republic he was the most eloquent speaker, and they were tongue-tied.
Dante. An essay.|R. W. Church
The Zeppelins were compelled to fly still higher than the L-30 type.
Zeppelin|Harry Vissering
Thus terminated Duke Valentino's connection with-30- the immediate subject of this narrative.
Memoirs of the Dukes of Urbino, Volume II (of 3)|James Dennistoun