-> He would spend hours on end in his room, calculating the strategic possibilities of his novel weapon until he succeeded in putting together a manual of starting instructional clarity and an irresistible power of conviction.This time they brought a telescope and a magnifying glass the size of a drum, which they exhibited as the latest discovery of the Jews of Amsterdam. They placed a gypsy woman at one end of the village and set up the telescope at the entrance to the tent. For the price of five reals, people could look into the telescope and see the gypsy woman an arm's length away. "Science has eliminated distance," Melquiades proclaimed. In his own handwriting he set down a concise synthesis of the studies by Monk Hermann, which he left Jose Arcadio so that he would be able to make use of the astrolabe, the compass, and the sextant.