"Thacher's Calculating Instrument"
1892 edition
by: Edwin Thacher
- Cover
- Title Page --------------------------------------------------------------- page 1
- Copyright --------------------------------------------------------------- page 2
- Preface ----------------------------------------------------------------- pages 3-6
- Contents ---------------------------------------------------------------- pages 7-8
- Part 1 ------------------------------------------------------------------- pages 9-24
- Scale Readings -------------------------------------------------- pages 9-12
- Description ------------------------------------------------------ pages 12-13
- 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
- Squares, Square Roots, and Diagonals -------------------------- pages 30-31
- Examples - Squares -------------------------------------- page 30
- Examples - Square Roots -------------------------------- page 31
- Examples - Diagonals ------------------------------------ pages 31
- Higher Powers and Roots --------------------------------------- page 31
- Fractions -------------------------------------------------------- page 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 ---------------------------------------------------- pages 41-42
- Cask-Gauging -------------------------------------------------- pages 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 --------------------------------------------- pages 46-47
- Weights of Materials -------------------------------------------- pages 47-49
- Weights of any Number of Pieces of Wrought-Iron or Steel ----- pages 49-51
- Weight of Sheet Metals ----------------------------------------- pages 51-53
- Board Measure ------------------------------------------------- page 53
- Measures of Capacity ------------------------------------------- pages 53-56
- Beams ----------------------------------------------------------- pages 56-59
- Example of Calculation for Plate-Girder Bridge ------------------ pages 59-62
- Compression Formulae ------------------------------------------ pages 62-63
- Connecting-Plates, Bearing-Plates, etc. -------------------------- pages 63-65
- Trigonomerty and Navigation ------------------------------------ pages 66-68
- Appendix -------------------------------------------------------------- pages 69-71
- Natural Sines, Cosines, Tangents, and Cotangents --------------- page 69
- Decimal Equivalents of English Measures ------------------------ pages 70-71
- Credits for Printing ----------------------------------------------------- page 72
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