Pocketbook of Useful Formulæ and Memoranda
for Civil and Mechanical Engineers

740 INDEX. , PAGE Telegraph Retardation .. 333 ------------Sheathing .. .357 ------------------ Table of 355 —'- Sp’arK Tension 34fj> ■“-----------------— Strains on Wire- 309 ---------------Tension Spark1 346 “--------Testing Earth.. 338 —--------—------Fault., 327 —------------Line .. 326 *—— Ufiits, Electrical 300 —1----------— Useful Numbers 341 ---------=■-------Water Pressure 320 —--------W ind Pressure 320 --------- Wire, Angle at Insulator .: .. .. 312 ---------=--------Dip of ., 311 -----------■--- Dip of, Fable of ............ 351 ----------------Elongation of ..----------.. sis ----------— Length of 312 ----------■---------—— öh Bobbins 337, ——--------■——Ratio of Weights and Diameters 358 ! --------— Work, Kate of 342 Temperature .............375 -------------"by Different Thermometers .. 376 -------------Cohlparsttive Scale of .; ...........380 i ------------------of Steam .. 450 Tempering Steel .. .. 423 Tenacity of Iron and Steel 24 ---------Materials .. 16 'Pension Joints .. .; .. 4H4 Terminal Pressure of Steam 455 Testing, Electrical .. .. 326 Tests for Iron Plate ..31 -rr—of Iron .. .. 31,42-1 ——-------— and Steel 28, 423 Theorem of three Mo- ments ...................164 Thermometer, Comparative Scale of.................... Thermometer, Comparison of .. .. .. .. ..376 —<->-------rU' Levelling with .. .. .. .. 10 —;-----------Levelling Table for ' .. .. . 11, -----------h— to Convert Fahrenheit to Centi- grade ............' 3f5 Thickness of Metals in Cylinders .. .. 517 Threads, Gas' .. . . ..416 --------Screw.. .. ..'416 Tidal Phenomena .. .. 9: Tides .. .. .. .. .. 9 Timber, C'reosoting of .. 104 -------Desiccating Pro- cess for .. .. .. 104 ------- Impregnation of ] 04 -Measures of .. 590 -Measuring.. .. 590 ------- Notes on .. ,.103 -------- Seasoning of .. 103 -Strength and Weight of .. . . .. iSr Tin Plates, Sizes of .. .. 45 -----------Weight of .. 45 Tires of Wheels .. .. 229 Tonnage, New Measure- ment ....................569 ------— O.itf. or Builders’ 570 ------of Vessels .. .. 569 ------Table fur CjIcu- latiug ..................sti Tons, cwts., lbs., Rates .. 595 Tools, Speed of.. . . .. 439 Torsion, Relative Strength of Metals to Resist .. <102 --------Relative Strength of Different Sections .. 402 --------Strength of Shaft- ing ----407 Traction on Canals .. ,. 270 -----------Railways .. 221