Outside of schools moving pictures can be used for educational purposes in social service and Americanization work. One state, North Carolina, has trucks carrying moving picture machines for many of its counties. Programs of educational and amusing pictures can be given regularly in small towns with these machines.


TWO INVENTIONS WIDELY USED IN BUSINESS

The work of many inventors

203. Christopher L. Sholes and the Typewriter. The typewriter cannot be called the invention of any one man. Many inventors, half of them Americans, worked on the problem, for even a simple machine has many parts.

TYPEWRITER AND DICTAPHONE

Machines by which the blind could print or type raised letters were first made. A little difficulty may hold back a great invention. A typewriter was not built until long afterward because inventors did not know how to ink type.

In the Scientific American more than fifty years ago was printed an article on a new invention which was rather grandly called the "literary piano." Christopher Latham Sholes, a Wisconsin editor read the article. He was convinced that he could make a better typewriter than this himself.

The earliest typewriter