Sentence Examples


  • Glass is lighter, stiffer, less costly and easier to work than speculum metal.
  • Francois and Speculum perfectionis, and Lempp's Frere Elie de Cortone.
  • The use of the convex lens, which is given as a great secret, in place of the concave speculum of the first edition, is not so clearly described as by Barbaro; the addition of the concave speculum is proposed for making the images larger and clearer, and also for making them erect, but no details are given.
  • Thus in the Speculum Naturale of Vincent of Beauvais (c. 1250) it is said that there are four spirits - mercury, sulphur, arsenic and sal ammoniac - and six bodies - gold, silver, copper, tin, lead and iron.
  • Simon's history, in its original form, is lost; but large sections of it have been preserved in Vincent of Beauvais's Speculum historiale, where nineteen chapters are expressly said to be ex libello fratris Simonis, or entitled frater Simon.