"The Log Log Trig Duplex Slide Rule No. N4080"
Copyright 1948
- Cover
- Copyright Page --------------------------------------------------------- page ii
- N4080 Illustration ------------------------------------------------------ page iii
- Preface ----------------------------------------------------------------- page iv
- Contents --------------------------------------------------------------- pages 1-2
- CHAPTER I - MULTIPLICATION AND DIVISION
- 1. Introduction -------------------------------------------------- page 3
- 2. Reading the Scales ------------------------------------------- pages 3-6
- 3. Accuracy of the Slide Rule ----------------------------------- pages 6-7
- 4. Definitions --------------------------------------------------- page 7
- 5. Multiplication ------------------------------------------------ pages 7-8
- 6. Either index can be used ------------------------------------- page 9
- 7. Division ------------------------------------------------------ page 9-10
- 8. Simple applications, percentage, rates ------------------------ pages 10-12
- 9. Use of the scales DF and CF (folded scales) ---------------- pages 12-14
- CHAPTER II - THE PROPORTION PRINCIPLE AND COMBINED OPERATIONS
- 10. Introduction ----------------------------------------------- page 15
- 11. Use of Proportions ---------------------------------------- pages 15-18
- 12. Forming proportions from equations ----------------------- pages 19-20
- 13. Equivalent expressions of quantity ------------------------- pages 21-22
- 14. The CI and CIF (reciprocal) scales ------------------------ pages 22-23
- 15. Porportions involving the CI scale ------------------------- pages 23-25
- 16. Combined multiplication and division ---------------------- pages 25-28
- CHAPTER III - SQUARES AND SQUARE ROOTS, CUBES AND CUBE ROOTS
- 17. Squares --------------------------------------------------- page 29
- 18. Square roots ---------------------------------------------- pages 29-31
- 19. Evaluation of simple expressions containing square roots --- pages 31-33
- 20. Combined operations involving square roots and squares -- pages 33-35
- 21. Cubes ----------------------------------------------------- page 35
- 22. Cube roots ------------------------------------------------ pages 35-36
- 23. Combined operations ------------------------------------- pages 36-38
- 24. The L scale ----------------------------------------------- page 39
- CHAPTER IV - TRIGONOMERTY
- 25. Some important formulas from plane trigonometry --------- pages 40-41
- 26. The S (Sine) and ST (Sine Tangent) scales ---------------- pages 41-44
- 27. Simple operations involving the S and ST scales ----------- pages 44-46
- 28. Law of sines applied to solve a triangle -------------------- pages 46-48
- 29. Short cut in solving a triangle ------------------------------ pages 48-49
- 30. The T (Tangent) scale ------------------------------------- pages 50-51
- 31. Other functions on the S and T scales ---------------------- pages 51-52
- 32. The law of sines applied to right triangles with two legs given pages 52-54
- 33. Solution of a triangle for which two sides and the angle given pages 54-56
- 34. Law of cosines applied to solve triangles with three sides --- pages 56-58
- 35. The law of sines applied to oblique triangles, continued ----- pages 58-59
- 36. Combined operations -------------------------------------- pages 59-61
- 37. Relations between radians and degrees --------------------- page 62
- 38. Trigonometric functions of small angles --------------------- pages 63-64
- 39. Summary -------------------------------------------------- page 65
- 40. Miscellaneous Exercises ----------------------------------- page 66
- 41. Applications involving vectors ------------------------------ pages 66-69
- 42. Applications ----------------------------------------------- pages 70-72
- 43. Miscellanous Exercises ------------------------------------ pages 72-73
- CHAPTER V - THE LOG LOG SCALES
- 44. Introduction ----------------------------------------------- page 74
- 45. Mated scales ---------------------------------------------- pages 74-75
- 46. Powers of e ----------------------------------------------- pages 75-79
- 47. Powers of any number. Elementary. ----------------------- pages 79-81
- 48. Powers of any number. General.--------------------------- pages 81-84
- 49. Logarithms to the base e ---------------------------------- pages 84-85
- 50. Logarithms to any base ------------------------------------ pages 85-86
- 51. Continous relation of C scales to Log Log scales ---------- page 87
- 52. The proportion principle for Log Log scales --------------- pages 87-90
- 53. Powers-of-ten notation ----------------------------------- pages 90-91
- 54. Numbers less than 0.00005 or greater than 22000 -------- pages 91-92
- 55. Numbers between 0.99 and 1.01 ------------------------- pages 93-96
- 56. Reciprocals ----------------------------------------------- pages 97-98
- 57. Miscellaneous Exercises ---------------------------------- page 99
- CHAPTER VI - LOGARITHMS AND THE SLIDE RULE
- 58. Construction of the D scale ------------------------------- pages 100-101
- 59. Accuracy ------------------------------------------------- page 101
- 60. Multiplication and division --------------------------------- pages 101-102
- 61. The inverted scales ---------------------------------------- pages 102-103
- 62. The A scale, the B scale, and the K scale ----------------- pages 103-104
- 63. The trigonometric scales ---------------------------------- pages 104-107
- 64. An application -------------------------------------------- page 107
- 65. The Log Log scales --------------------------------------- pages 107-109
- HISTORICAL NOTES ON THE SLIDE RULE -------------------- pages 110-112
This instruction manual is from the collection of Clark McCoy
The scans of this manual were provided by Clark McCoy
These web pages were produced by Clark McCoy