Their lenses for telescopes and microscopes and photographic cameras, and glass and prisms, and for all chemical and other scientific work, have a worldwide reputation. 威廉·亨利·杜利特.世纪发明.
He sent copies to some friends, and shortly his microscopes were as much in demand as his telescopes had been. 鲁伯特·萨金特·荷兰.历史性发明.
The invention of John Dolland of London, about 1758, of the achromatic lens should be borne in mind in connection with telescopes, microscopes, etc. 威廉·亨利·杜利特.世纪发明.
Very early in the same century Zacharias had presented Prince Maurice, the commander of the Dutch forces , and the Archduke Albert, governor of Holland, with compound microscopes. 李贝.西洋科学史.