"Thacher's Calculating Instrument"
by: Edwin Thacher
- Cover
- Title Page --------------------------------------------------------------- page 1
- Preface ----------------------------------------------------------------- pages 2-6
- Contents ---------------------------------------------------------------- pages 7-8
- Part 1 ------------------------------------------------------------------- pages 9-24
- Description ------------------------------------------------------ pages 9-10
- Scale Readings -------------------------------------------------- pages 10-13
- Location and Relation of Scales A, B, and C --------------------- pages 13-15
- Rules and Direction for Operating the Instrument ----------------- pages 15-24
- General Rule for the Solution of all Formulae -------------- pages 15-19
- Position of Decimal Point --------------------------------- pages 19-22
- Cube Roots ---------------------------------------------- page 22
- Factors Composed of More than One Quantity ----------- pages 22-23
- To Multiply Three Numbers Together by One Operation -- page 23
- Formulae Requiring More than one Setting ---------------- pages 23-24
- Part 2 - General Examples for Practice and Reference------------------- pages 25-33
- Slide Direct ----------------------------------------------------- pages 25-28
- Slide Reversed -------------------------------------------------- pages 29-30
- Examples - Squares --------------------------------------------- page 30
- Examples - Square Roots --------------------------------------- page 31
- Examples - Diagonals ------------------------------------------- pages 31-32
- To Reduce Common to Decimal Fractions ---------------------- page 32
- To Reduce Decimals to Common Fractions --------------------- pages 32-33
- Part 3 - Special Applications ------------------------------------------- pages 34-68
- Conversion of Weights and Measures --------------------------- pages 34-35
- Exchange of Money --------------------------------------------- page 35
- Pro-Rata -------------------------------------------------------- page 35
- Taxes ----------------------------------------------------------- page 36
- Fellowship ------------------------------------------------------ page 36
- Pay-Rolls ------------------------------------------------------- pages 36-37
- Mechanical Powers --------------------------------------------- pages 37-38
- Machinery ------------------------------------------------------ page 38
- Specific Gravity ------------------------------------------------- page 38
- Velocity of Sound ----------------------------------------------- page 38
- Uniform Motion ------------------------------------------------- page 38
- Conversion of Thermometric Scales ----------------------------- page 39
- Motion uniformly Accelerated or Retarded by Gravity ----------- pages 39-40
- Pendulums ------------------------------------------------------ page 40
- Timber Measure ------------------------------------------------ pages 40-41
- Centrifugal Force of Railway Trains on Curves ------------------ page 41
- Mensuration ---------------------------------------------------- page 41-42
- Cask-Gauging -------------------------------------------------- page 42-43
- Ullage of Lying Casks ------------------------------------------ page 43
- Gauge-Points --------------------------------------------------- page 44
- Simple Interest -------------------------------------------------- pages 44-45
- Bank Discount -------------------------------------------------- page 45
- True Discount --------------------------------------------------- page 45
- Compound Interest --------------------------------------------- page 46-47
- Weights of Materials -------------------------------------------- page 47-49
- Weights of any Number of Pieces of Wrought-Iron or Steel ----- page 49-51
- Weight of Sheet Metals ----------------------------------------- page 51-53
- Board Measure ------------------------------------------------- page 53
- Measures of Capacity ------------------------------------------- page 53-56
- Beams ---------------------------------------------------------- page 56-59
- Example of Calculation for Plate-Girder Bridge ------------------ page 59-62
- Compression Formulae ----------------------------------------- page 62-63
- Connecting-Plates, Bearing-Plates, etc. -------------------------- page 63-65
- Trigonomerty and Navigation ------------------------------------ page 66-68
- Appendix -------------------------------------------------------------- pages 69-71
- Natural Sines, Cosines, Tangents, and Cotangents --------------- page 69
- Decimal Equivalents of English Measures ------------------------ page 70-71
- Advertisements -------------------------------------------------------- pages 72-75
- Reckoning Machine 4005, 4006, 4007 ------------------------- page 72
- Mannheim Slide Rule (4041) ----------------------------------- page 73
- Duplex Slide Rule (4088-3) ------------------------------------ page 73
- Polyphase Slide Rule(4053-3) ---------------------------------- page 73
- K&E Stadia Slide rule (4100) ---------------------------------- page 73
- Roy Lance Electrical Slide Rule (4133) ------------------------- page 74
- Surveyor's Duplex Slide Rule (4102) --------------------------- page 74
- Merchant's (Calculating) Slide Rule (4094) --------------------- page 74
- The Chemist's Duplex (4160) ----------------------------------- page 74
- New "Frameless" Indicator ------------------------------------- page 75
- Magnifier for Slide Rules --------------------------------------- page 75
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