...There is no improvement in his condition probable,—no correspondence possible,—no reunion attainable... 
Frederick Douglass 「My Bondage and My Freedom」
...Lord Western has long experimented on the blending ofthe Merino and long-wools, through several generations, withoutany well-defined results, nor is it believed to be attainable...
Richard L. Allen 「Domestic Animals」
...These results, however, are also attainable byflashes of genius, and not only by mere science...
Vitruvius 「Ten Books on Architecture」
...In others, duration is sublimity, and energypainful: in a few, energy and duration are attainable and delightfultogether...
John Ruskin 「The Poetry of Architecture」
...There is,however, one point of attainable knowledge which we must mention inconclusion...
Robert Stawell Ball 「The Story of the Heavens」
...Gillsucceeded in obtaining a valuable series of measurements, and from themhe concluded the distance of the sun with an accuracy somewhat superiorto that attainable by the transit of Venus...
Robert Stawell Ball 「The Story of the Heavens」
...This element,even if attainable, could only be the result of a protracted series ofobservations of a nature which will be explained later on when we cometo speak of the distances of the stars...
Robert Stawell Ball 「The Story of the Heavens」
...From them we may be sure thatthe efficiency of the nine-inch mirror used was not sensibly less thanthat of the highest theoretically attainable excellence...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
...Our first attempt to examine this question must lie in an appeal to thefacts which are attainable...
Robert Stawell Ball 「The Story of the Heavens」
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