Art.

 1 1|     was devoted to practical problems. Chemistry and botany were
 2 1|   was taken in the technical problems of industry and agriculture.
 3 1| scientific experiment to the problems of industrial technique.
 4 1|      to discuss the peculiar problems of their trade and share
 5 3| apparatus but the scientific problems on which they were engaged
 6 5|    model. A hundred tiresome problems of detail were revealed
 7 5|     him, and he kept meeting problems that taxed his ingenuity
 8 5|    host of little scientific problems that he explored at this
 9 8|     time to pass on to other problems. When Boulton first contemplated
10 8|    could solve the technical problems of the rotative engine,
11 9|     to the student about his problems, to the child about its
12 9|     consulted on engineering problems, and young inventors laid
13 9|   reluctant to embark on new problems of such complexity, but
14 9| Locomotion presented special problems of great difficulty. He
15 9|     sea. It is true that new problems appeared, but they were