  JACQUARD MACHINES Read carefully: Place your name and full address at the head of the paper. Any cheap, light paper like the sample previously sent you may be used. Do not crowd your work, but arrange it neatly and legibly. Do not copy the answers from the Instruction Paper; use your own words, so that we may be sure that you understand the subject. 1. To what may the term “Jacquard Weaving” be applied? 2. What are the classifications of Jacquard machines? 3. What are the chief features of the single action machine? 4. In what industry is the single action machine most extensively used? 5. What is the use of the extra row of needles in the single action machine? 6. How many methods are there for operating the movable parts of a machine, and what are they? 7. What are the reasons for using “double-lift” and “single cylinder” machines? 8. Why do the needles of double-lift and single cylinder machines have two eyes? 9. Why does the hook on a double-lift and single cylinder machine require a deep band at the top? 10. Why is the bottom of the hook made like the capital letter V? 11. Describe in detail a double action machine. 12. Why are two different sizes of lifting cranks necessary in using a cradle lever on a double action machine? 13. What is the “rack” movement? 14. Describe the rise and fall machine. 15. Describe fully the working of the Jacquard machine. 16. How are the cords handled in a Jacquard machine? After completing the work, add and sign the following statement: I hereby certify that the above work is entirely my own. (Signed) Transcriber’s Note Minor punctuation errors have been corrected. Hyphenation has been made consistent. The following amendment has been made: Page 20—extention amended to extension—... is a small extention on which an iron roller is placed. The frontispiece illustration has been moved to follow the title page. Other illustrations have been moved where necessary so that they are not in the middle of a paragraph. |
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