There was a time after the Civil War when microscope manufacturers were vying with one another to produce the highest quality lenses, but in an age without computers or a means of etching micrometer rulers, they turned to the one microscopic object that was perfection.
(the one microscopic object; was; perfection) (microscope manufacturers; were vying; with one another) Context(microscope manufacturers were vying,List([42, 77))):(microscope manufacturers; were vying with one another to produce; the highest quality lenses) (they; turned; to the one microscopic object; T:when microscope manufacturers were vying with one another to produce the highest quality lenses; T:in an age without computers or a means of etching micrometer rulers)
microscope manufacturers were vying,List([42, 77))
the one microscopic object microscope manufacturers microscope manufacturers they
was were vying were vying with one another to produce turned
perfection
with one another
the highest quality lenses
to the one microscopic object T:when microscope manufacturers were vying with one another to produce the highest quality lenses T:in an age without computers or a means of etching micrometer rulers