1. For what is a paper cutting machine used?
2. How does it increase printing output?
3. What is its great importance?
4. What were the first methods of cutting paper, or its earlier substitutes?
5. How were piles of paper first cut?
6. How was the process improved?
7. Describe the development of cutting machines down to Samuel R. Brown's invention.
8. Describe that invention.
9. Give the lines of evolution of the cutting machine.
10. What are the characteristics of the best paper-cutting machines?