None
PAGK Forms for Him's Analysis 59S Oil Test 253 Pump Tests 332 Separating  374  ** '* Pressure, Volume and Temperature, Relations of Gases. . . 711 Formulae for Him*s Analysis 591 Freezing Machine, Cycle 734 Pomt of oil. Test for 380 Friction, Classification 197 Coefficient of 196 * * Formula 197 * * Lubricated Surfaces 201 '* of Belts 199 ** Fluids 200 '* Gears 109 ' * Journals 19S Pivots loS Table of CoefTicients 7S4 Test of Engine 580 Tests, Definitions iy6 Frost Test for Stones 1 76 Fuel Calorimeter, Homb 457 * ' Calorimeters, Principle of 45 1 * * Consumption, Definition 56Q * * Measurements, Locomotive Testing 641 ' * Method of Samj)ling 452 Test, Locomotive 6,^5 Value by Hoiler Trial 472 Weight of, Kngine-testing 582 Fuels, Com jx)siti()n of 45 1 * ' Table of ComiK)sition 7S7 Fulcrums for Emery Machine q5 Fuller's SHde Rule 2^ < ( < ( < ( ( < < ( INDEX. 821 PAGB Furnace Efficiency from Flue-gas Analysis 489 Maximum Temperature from Flue-gas Analysb 488 (< G Gas Analysis Apparatus 479 Composition of, Table 703 Measurement of Flow 302 Gas-engine, Classification 700 * * Compression Type 702 * * Cycles 713 * * Diagram 716 * * Four-c}'cle 706 * * Ignition 703 * * Indicator 524 * * Optical Indicator 525 * * Report of Test 716 * * Theor)' 711 * * Two-cycle 707 Gas Measurement, Dry Meter 305 Wet Meter 303 * * Meter, Testing Device 303 Gasoline Engines 708 Gas- or Oil-engine Testing 714 Gauge, Apparatus for Testing 363 * * Calibration by Mercury Colunm 366 ' * Correction of 367 ** Makers, list of 361 * * Marking Device 113 * * Tension Test 147 Gauges, Recording 613 * * for Steam -pressures 357 Gear-teeth Friction 199 Gibbs's Viscosometer 205 Giffard Injector 670 Graphical Log of Boiler Test 495 Multiplication 64 Representation of Data 20 Gumming or Drying Test 210 H Hammer Test 166 Hancock Inspirator 672 822 INDEX. pacb Hardening Test i66 Head, Lost by Contraction 279 ** "at Elbows 279 " " ** Entrance of Pipe 278 •* *• in Perforated Diaphragm 279 •* *• " Pipes, Measurement of 289 «< " by Valves 279 ** Producing Velocity 271 Relation to Pressure 324 of Water, Measurement of 281 fleat Application to Isothermal Expansion 713 * ' Balance 404 •* * * in Boiler-testing 506 of Combustion 444 Consumption, Ideal Engine 569 Equivalent of Fuel Calorimeter 452 ** Interchanges from Saturation Curve 612 *- Losses in Refrigerating Machine 738 •' Mechanical Equivalent of 339 ** Specific, definition 338 '* *« of Brine 752 * * and Temperature 33; '* Transfers of Refrigerating Machine 73; * * Units, definition \x^ * * * * per Horse-power ;6j Heating Value Measured by Oxygen 446 Hcisler Calorimeter 4:1 Hcmpel's Flue-gas Apparatus 4S^, ( < Fuel Calorimeter 4:6 Henning Extcnsomcter 12,:) Hennings's Mirror Extensometer i ;o Higgins's Draft-gauge 353 Him's Analysis 5gc * * * * for Compound Engine 6c; ** ** Directions for ^lo; ** ** Forms for cr^S ** ** Institute of Technology Engine (^; ** ** for Non -condensing  <i ti INDEX, 823 PAOB Hoadley's Calorimetric P)rrometer 384 Draft Gauge 353 Hook Gauge 282 Homsby-Akroyd Oil-engine • 711 Horse-power, Boiler 494 Brake 239 Formula for 517 Method of Computing 552 per Pound M.E.P., Table 800 Hot-air Engines 694 Engine Forms 698 Theory 697 Hot Test for Cement 192 * * Tube Ignition 704 Humidity of the Air, Table 785 Hydraulic Engines 309 Machinery, Classification 308 Motor, Forms for Testing 326 Power System, Parts of 309 Ram 321 Directions for Testing 325 Testing Machine 92 Hydraulics, Flow of Water 270 Hydrometric Pendulum 295 Hyperbola, Method of Drawing 554 Hyperbolic Logarithms, Table of 784 Ice-making Plant, Illustrated 746 Ignition, Methods of, in Gas-engines 703 Impact Test, Directions 163 * * Testing Machine 119 Impulse Steam-turbine, Description of 687 * ' Water-wheel 314 Indicated and Dynamometric Power 5x6 Horse-jx)wer 517 Method of Computing 552 Indicator, Applied to Locomotive 636 " Attachment to Cylinder 543 ' * Attachments, Engine-testing 582 ** Care of 545  to Find 561 ** ** Combined. 567 ** " Definitions 547 ** ** General Discussion 562 ** ** Form for Ideal Case 553 ** ** Hot-air Engine 699 with Loop 552 Weight of Steam from 557 Diagrams, Measurements of 551 Method of Taking 544 Dimensions, Table of 528 Drum Motion 540 Early Forms 517 External Spring 523 for Gas-engines 524 Gas-engine, Use of 715 Gear for Locomotives 63S i< (I <( <( (< * * for Inertia 661 Optical 5:5 ** Paper Drum 5.-0 '* Parts 5.-6 ** Pencil Mechanism 5.'6 >;j ** ** Movement Test. * * Practice, Engine Test 5S4 ** Reducing Motions 5>j * * Spring 5:; ** *' Calibration 535, 57Q * * Standardization 534 * * of Steam-engine, Use of 515 * * Tests of Locomotive, Form for 055 Inertia Diagram 664 ' * Indicator tf\\ ** and Indicator Diagram Combined tt!>> * ' Moment, Experiment for Sc * * Moments, Table ;S * * of Parts of Steam <^ngine 6co Injector, Directions for Testing 6;q INDEX. 825 PAGB Injector, General Directions for Use 679 Limits of 676 Mechanical Theory 674 Thermod}Tiamical Theory 672 Initltute of Technology Engine Dimensions 605 Intercooler 721 Investigation, Method of 2 Involution by Diagram 20 Isothermal, Definition 342 Expansion of Gases 711 ( < J Johnson's Extensometer. 129 Jolly Air-thermometer 373 Journal Friction 198 Jump-spark Ignition 705 K Kellogg Testing Machine 93 Kent Calorimeter 409 Kent's Draft Gauge 355 Knife-edge of Testing Machine 95 L Latent Heat of Steam 341 '' Table of 788 Lazy Tongs 532 Leakage of Boilers, Locomotive Tests 648 ** Test of Pumps 622 Leaks, Test for, in Engine 582 Least Squares 5 Le Chatelier Specific Gravity Apparatus 183 Lenoir Gas-engine 701 Lewis Dynamometer 252 Linie, definition of 181 Limits of Throttling-calorimeter 429 Linde Ice-machine Test 748 Lloyd's Tests for Steel 1 73 Load Variation Diagram 564 Locomotive Boiler Test 639 Coal Tests 642 <( 826 INDEX. PACB Locomotive Test, Object 634 ** " Standard Method 634 ** * * Water Measurement 645 * * Tests, Form for 653 ** " General Results 654 '* " Speed Recorder ^0 '' ** Stafif for 6^2 Logarithm Table, Use of 64 Logarithms, Common Table of 76Q Hyperbolic, " " 7S4 Logarithmic Paper 23 Lubricants, Durability Test 226 Lubricant Testing 201 Lubricated Surfaces, Friction of. aoi M McNaught^s Steam-engine Indicator 517 Machinery, Hydraulic, Classification 308 Machines for Computation 64 Mack Non-lifting Injector 670 Mahler's Fuel Calorimeter 46: Maillard Testing Machine 04 Manographic 525 Manometer u> * * Cistern Form ^; * * U-shaped ^45 Marshall Extensometer 131 Materials, StR^ngth of, Table -Si Material Tests 67 Mean Effective Pressure ^p M.E.P., Table for Equivalent H.P 800 Mean Error 7 * * Ordinate, Length of 22 Measurement of Feed-water 616 Mechanical Efficiency 56c *' ** How Computed 62S * * Equivalent of Heat j^^o Mercurial Thermometer 36c * ' Weight Thermometer ^570 Mercurv* Column, Calibration of Gauges t^ ** ' " Use of ;ci 55^ 827 Mercury Columns 349 " " Table of DepRssioD 350 Metal, Strength of, at Different Tern peratuics. 783 Metals, Table of Specific Gravity. 783 " Table of Specific Heat 783 Metallic Pj-rometer. 381 Meter, Gas 303 ' ' Prover. 304 Meters for Water a8j Method of Taking Indicator Diagrams. 544 Metric Measures, Table of. 754 Micrometer. 50 " Caliper. 59 Min'or Ertensometer 125 Mistakes, Rejection of. 71 Modulus of Elasticity 73 " " Ripdity ■ 83 Moisture Absorbed by Air, Table 785 Moment of Flexure 76 Moments, External, Table 79 " of Inertia 80 " " " Table 78 Morin Dynamometer. 247 " " Calibration, 249 Morse Thennal Heat Gauge 386 Mortar. 183 Moscrop Speed-recorder, 5 j j Moulds for Cement 141 Multiplying Draft Gauges 355 Naperian Logarithms, Table of. 784 Napier's Formula, Table of Discharge of Steam 795 Necking of Test Specimen 143 Needle, Vica 186 Xoel's Optical Pyrometer 386 N'ormal Consisti-ney Test 185 Nozzle Calibration 287 " Discharge, DeLaval Turbine 688 Nozzles, Discharge Through 275 Numerical Calculations, Accuracy of. 19 " Constants, Table of. 756 828 INDEX. O ?ACI Oil Adulteration 202  * * Forms 233 * * for Freezing 213 ' * * * Gumming 210 * * with Limited Feed 231 * * of Viscosity 204 Testing 201 Machine, Ashcroft's 227 *' Boult's tf27 * * Directions 222 R.R 218 *' Riehl^'s 224 * * Theory 220 *' Thurston's 217 Machines 215 Oleography 214 Olsen Autographic Apparatus in " Cement Machine 1:1 '* Testing Machine 92.110 ' ' Torsion Machine 1S8.1 Optical Indicator 5:-; ' ' Pyrometers 3S6 Ordinate, Mean w :: Orsat's Flue -gas Apparatus 4S: Otto Cvcle 7c: Otto & Langen Gas-engine 701 Overshot Water-wheels ;i i Oxygen Absorlx'nts 475 Method of Measuring Heating Value 446 ( ( INDEX. 829 P PAGS Paine Eztensometer 127 Pantograph 531 Paper Drum for Indicators 529 Logarithmic 23 Parsons* Steam-turbine 689 Paving Materiab, Test of 1 79 Peabody Calorimeter 41Q Pdclet's Draft -gauge 35 j Pelton Motor, Test of 324 * * Water-wheel 31^ Pencil Mechanism of Indicator 526 * * Movement on Indicator, Test of 539 Pendulum Reducing Motion 5 jo * * Viscosometer 209 Pennsylvania R.R. Viscosometer 204 Perfect Engine Eflicienc)' 570 Perkins Viscosometer 205 Phoenix Testing-machine g^ Phosphorus 475 * ' Determination of 470 Pillow-block Dynamometer 252 Pi|x?-fitting Calorimeter for Steam 422 Pi[)es, Flow Through 277 Pipe, Table of Standard Dimensions 798 Piston Air-compressor 720 ' * Displaament, how measured 583 Pitot Tube 292 for High Pressures 294 Use of, for Measuring Air 726 Pivot Friction i^ Planimeter Adjustment 50 Calibration 52, 780 Directions ^i ^^"•ors 55 Measurement of Diagrams ^^i Roller 45 * * Suspended 41 Plant Efficiency 5-0 Platinum Ball Pyrometer j8«; Polar Planimeter ^ Theory ,2 it a i i i ( t ( t i a it it 830 INDEX, PAGE Portland Cement, Definition 191 Specifications 192 Testing 182 Potassium Pyrogallate 475 Power-piimps, Tests of 331 * * Systems Testing Machines 8q Pressure of Atmosphere 336 ** by Gauge 336 * * Measured by Manometer 34; * * Units, Table of 336 ** and Volume, Formulai for Compression of Gas 711 " " " Relations of, in Refrigeration 744 Preston Air-thermometer 372 Priestman Oil-engine 710 Probable Error 7 Probability of Errors 6 Products of Combustion, Object of Analysis 473 Prony Brake 235 Designing 236 Directions 244 for Engine -testing 582 Brakes, Various Forms 23Q Properties of Steam 340 Pulsometer, Description of 683 Form for Tests 684 Theor)' of 684 Pump Brake 245 * * Test, Computation and Results 628 ** Forms for ^^2 * * Form of Report 624 Pumps, Centrifugal, Test of 331 Classification of 327 Duty and Ca|)acity of 32S EfBciencv Test ^;o Measurement of Work 32^ Rotan- ;2S Slip of 330 Pumping-en^ine, Lcakaf]jc Test 62: " ()bsor\'ati()ns 62c Pumpin^-engincs, Duty Trial 6i> Puncliing Test \^' Puzzuolana i>: H it it n il ti i ( ( ( INDEX, 83 1 PAGB Pyrometer Calibration 780 for Locomotive -testing 641 Pyrometers 380 * * Comparison of 389 Q Quality of  Saturation Curve 610 R Ram, Hydraulic 321 Rankine's Formula 74 * * Oil-testing Machine 215 Reaction Steam-turbine 689 Turbine 316 Water-wheel 319 Recording Gauges 361 Records of Boiler-test 501  Wheel for Indicator 524 Re -evaporation 561 Refrigerating Machine of Air 741 * * ' * Ammonia 742 ** ** Defined 734 ** '' Efficiency 736 ** ** Heat Exchanges 735 ** * ' Ideal Efficiency 735 ** * ' Negative Heat Losses 738 '* ** Test 748 ** Plant, Illustrated 746 Refrigeration, Absorption System 747 * * Data and Result Sheets 749 Regenerator Hot-air Engine 695 Relation of Pressure and Temperatxire of Gases 712 <( << n 832 Report, Form of. " " Heal Interchanges from f : : Scn-ws, Micrometer ;; Seaman's Pyrometer 3?-; Scllers's Injector 6;i Separating Calorimeter 43: " " Forms 4a " " I"ormula 43S " " Talile of Accuracy 4_!i " " Various forms 43; Setting of Cement ic: " " Valves of Steam Engine tSi INDEX. 833 Shaft Diagram 567 Shafting, Table of H.P. 804 Shear, Parallel 77 Shearing Strain, Theory 8r " nnd Nonnal Stress 84 Sibley College Experimental Engine, Dimensions 657 Sieves for Cement 184 Signs and Tangents, Table of 777 Sitnpli'-lt-vcr Machines 90 -Slide -rule, description 34 " Directions 25 " Fuller's sS " Thatcher's a? Slip of Pumps 330 Smoke Observations in Boiler-testing 505 Specifications Bridge Material 169 tor Cement igo o( Eye-bars 1 yt Iron Plate 17a for Steel, Lloyd's 173 Steel Plate 17a Water-pipe ;. 174 Specific Gravity of Cement required 191 " " Metals, Table of 783 " " Table corresponding to Beaume's Scale 786 " " Test of Cement 183 Specific Heat, definition 338 of Brine 75a Chloride of Calcium 751 Uolorminalion 38a of .'uel-^ses. Table 450 of Mclals, Table of. 783 and Melting-point, Tables ot 383 Speed-counter 571 Speed-indicator 571 ' ' Calibration 579 Speed Measurement with Chronograph 573 " " " Tachometer, 57a Speed -iccordcr, I.ocomolivc Tcsis 650 Square-inch Gauge-testing Apparatus 365 Squares and Diameter, Table of 576 StaDdardFonn Test-pieces 136 834 lA'DEX. Standard Method of  493 Steam-boilers, Object of Test 492 Steam Calorimeter for Locomotive Tests 655 Steam Calorimeters, Classification 3Q1 Steam-chest Diagram 567 Steam Accounted for by Indicator, References to Tables 560 Density and Specific Volume Formula 342 Dry and Saturated 340 Flow of, Through Orifice 300 Formula for Heat, Contents 393 ^ " - Quality... 393 Fuel- and Heat-consumption, of Engine Definitions. 569 per I.H.P. from Indicator-diagram 558 Measurement of Heat, Contents 304 Methods of Determining Quality 394 Properties of 340 Quality of, Definition 390 Relations of Pressure and Temperature 330 Sample for Calorimeter 301 Superheated Properties 340 Table of Entropy 301, 70: Table of Properties 7SS Weight Discharged Through Orifice ^2 Steam-engine Clearance, how measured 5>; Com|X)und, Test of 6;: Efficiency Test 5S0 Indicator y.':> * ' Care of 545 * * Early Forms ;i; '* for Locomotives 6;> ** Parts 5.^ Inertia of Parts : . 60: Methods of Testing fN Optical Indicator 5:? References ,;J? Terms Defined 5^- Test for Friction 5' Test, Hirn's Analysis r*-- 83S Steam-engine Valve-aettiag 586 Steam-engines, Water- consumption Tables. 803 Steam Gauges ^j Steam-gauge Calibration 579 Steam-injector, Description 6jo " Directions for Handling and Applying 679 " " " Testing. 679 " Fonn for Data an.l Results 681 " Limit of Suction-head 678 " Limits of Capacity 676 " " of Temperature 677 " Mechanical Theory. 674 " Theory of. 671 Steam Pumping-cngines, Standard Test of. 614 Steam -separator. Use of 615 Steam Tables 340 " " Compared 344 " " Useof. 393 Steam-turbine, Description of. 686 " Testing 691 Steelyard Dynamometer. 350 Siillman's \^scosometer. ao6 Stones, Frost Test 176 " Tests of 175 Straight Line Indicator 515 " Lyne " 535 Strain, Definition of 68 " Diagram Torsion Marine 116 " Diagrams ^ 69, 144 " " Autographic 145 " Relation to Temperature 86 Strap-brakes 140 Strength at High Temperature 167 " of Materials, Notation 72 " " " Table of Coefficients 781 Strengths after Repeated Applications of Load 167 Stress, Definition 67 " Tr-isting with Bending. 85 " " " Longitudinal 84 Stresses, Brake-strap. 236 " Combination of. 84 Strotunyer's Extensometer 136 836 INDEX. Sulphur, Detennination of, in Coal 470 Superheating Calorimeters 398 Surface Condenser ^76 Suspended Planimeter 41 Sweet Measuring-machine 60 Swelling Test of Cement 192 T Table, Air, Moisture Absorbed by : 785 ** Angles, Natural Functions of 777 ** Analysis of Ash 787 ** Anhydrous Ammonia, Properties of. 74c ** Beaumc Hydrometer Scale 7S6 ** of Boiling-points 423 ** * * Chemical Equivalents 444 ** * * Coefficients of Friction 784 " " "• '' Strength 7S1 *' ** Composition of Fuels 4;i «« '' '' '* Fuels of U. S 7S7 " ** '' '* Gases ** *' Depression, Mercury Column 35c ** Dimensions of Wrought-iron Pipe 708 ■ ■ ■ ^ ■ 11 -.M ■ ■  .^m — ■ ( i •>^ • Discharge of Steam by Xapier's Formula Entropy of Steam * * Errors in Calorimeters. ;g- * ' External Moments ;g ** Factors of Eva|K)ration 71,7 * * Heal of Comhiislion 446 * * lIorse-jK)wcr of Ik'llin^ n:4 [KT Pound M.E.P Soo of Shafting S:4 ** Humidity of the Air 7S5 ** Hy|KTl)olic Logarithms 7^4 ** Indicator Dimen>ions c:> ** Logarithmic Functions of Angles 771 ** Logarithms 7; j ** Materials, Imix)rtant Properties of 7^; ** Maximum Temix-rature of Combustion 4;: ** * * ' * of Feed-watt r for Injector 6;^ *' Moisture AhsorU^l by Air 7S; INDEX. 837 PAGB Table of Numerical Constants 756 * * Pressure, Units of 336 * * Specific Heat of Gases 450 * * Specific Heat and Melting-points 383 * * Specific Heat of Water ^^ * * Steam -injector, Limits of 677 * ' Steam, Properties of 788 * ' Strength of Metal at Different Temperatures 782 * * Suction-head, Limit of, in Injector 678 * * Thermometric Scales.*. 337 ' ' Throttling-calorimeter, Limits of 429 * * Throttling-calorimeter, Application 795 ' * Transverse Loads. 78 ** U. S. Cement 14; Chain 13, Compression 14; Form of i ;C Rope ix: ** Tension 133 it n n 839 Test-pieces, Torsion 142 " Transverse 14a " of Wire-rope 140 " " Wood 138 Testing of Water-motors -* 321 " by Welding. 165 TesUng-inacbiDe, Calibration 97 Cement 119 Classification 90 Compound Lever. 91 Differential Lever 91 Emerj- 102 Eitensometer 114 Frame 97 Fulcrum 95 Hydraulic 93 " and I*ver. 93 Impact and Drop. 119 Olsen 110 Power System 89, 98 Requirements of. , 88 Riehl^, Hydraulic 107 ' ' Power loS Shackle's, 89, 98 Simple -lewr. 90 Torsion, Thurston 114 Varieties and Forms 88 Walertown Arsenal 100 Wedges 100 Weighing Deiices 88 Weighing System 96 Thatcher's Slide-rule 27 Theory Hot-air Engine '. 697 Thermodynamic Efliciency 570 Thermometers, .\ir 371 Thermometer, Alcohol 371 " Calibration 380, 580 " Cups 400 " Mercurial 369 " Rules for Handling 370 •JTiennometric Scales, Table of. 337 Tliompson's Fuel Cali (( 840 INDEX. fACI Thompson Indicator 519 Three-way Cock 544 Throttling-calorimeter 398, 418 * * Diagram 425 *' ** for use 7g6 ** Forms 4jo Limit of 427 Table for use 7q5 Thurston Extensometer 129 Thurston's Oil-testing Machine, Directions 222 ** '' *' Standard ....217 " '' " Theory \ . . 220 ** R.R. Oil-testing Machine 219  Theory 82 Torsion-test, Directions 160 ** Forms for Report 162 Torsion Testing-machine 114 Torsion-tests, Long Specimens j\s: Torsion Test-pieces 14: Torsional Resilience S; Traction Dynamometer 246 Transmission Dynamometer 24; Transverse Deflectomcter i ;; ' * Formula 76 ' '  Weir 2;; Triple-engine, Hirn's Analysis (k^ Triple-exjmnsion, Diagrams 50; Tuning-fork Chronograph * 574 Turbine, Steam-, Description of 6Sn ' * Water-wheel ;i: %^ • INDEX. 841 PAGE Turbine, Water-wheel, Forms of Test 318 Theory 316 Twisting and Bending Stress 85 ** ** Longitudinal Stress 84 Two-cycle Gas-engine 707 U Undershot Water-wheels 313 Unwinds Eztensometer. 1 26 U-shaped Manometer 345 V Vacuum Gauge 360 " CaUbration 367 Vacuum Line 548 Valve-setting 586 Valves, Loss of Head 279 Van Winkle Power-meter 261 Variation of Load, Diagram 564 Velocity of Approach 283 ** * * Discharge, Coefficient for. 271 '* *' Flow of Air : . . 297 *' Head 271 * * of Nozzle Discharge, DeLa\*al Turbine 688 Venturi Tube Calibration 287 ** Flow Through 275 Vernier 29 ** Caliper 57 Vicat Needle 186 Viscosity of Materials 70 '* Metals 167 203 Test, Directions 208 V^scostometer, Carpenter's 207 Gibbs*s 205 Pendulum 209 Pennsylvania R.R 204 ** Perkins 205 ** Stillman '. 206 ** Tagliabue 205 (< ** Oil. «( (( 842 INDEX. ; PAGB Volume of Air Discharged 296 ** ** ** Measured by Heat absorbed 727 W Water, Computation Table for Steam-engine 802 * * Energy of Falling 309 * * Equivalent of Calorimeter 401 ** Flow in Circular Pipes 277 ** ** through Nozzles 275 ** * * under Pressure 276 ** ** in Streams, Measurement of 289 * * * * through Venturi Tubes 27^ ** '* over Weirs 272, 281 * * Measurement of Flow 2S1 " ** '* ** in Pipes 2S8 *' '' " " with Pilot's Tube w * * Measurement of Head 2S1 ** Measurement with Hydrometric Pendulum 205 * * Measurements, Locomotive Tests 645 ** Meters 283 * * Meter Calibration 57Q * * * * Errors 2S4 I>ocomotive Test 64. fi45 Motors, Measurement of Head ;:; Testing of ;:: Tal)le of, Density and Weight 7...^ Theor)' of Flow :;? Water-pipe Sjx^cifications 174 Water-pressure En«;ines :^) ' ' ^ • Test of ;:; Water-power System, Parts of :w Water Ram ;:i Water-vaix)r for Refrigeration 7:0 Water-wheels, Breast ;• ; '* Classified ;:.■> ** Impulse ;:; " Oversliot ;: i " Poncelet. wx * ' Reaction Tyjx^ ;: j Water-wheels, Test of ;:: '* Turbines ;:: '' Undershot It INDEX, 843 PAGB Watertown Testing-machine icx> Watt Steam-engine Indicator 517 Wearing-test Paving-brick 180 Weathering Quality of Stone 178 Webber Dynamometer 255 Wedge Extensometer 124 Wedgewood's Pyrometer 381 W'eighing Device, Testing-machines. 88 Scales Calibration 579 System Testing-machine 96 Weight of Steam from Indicator Diagram 557 Weir Calibration 285 W'eirs, Coefficients for 274 Different Forms 272 Discharge over, Table of. 803 Formula for 273 Measurement of Water, Errors in 282 Measurement of Head 281 Requirements for Accuracy 282 Welding Test 165 W'clter's Method of Measuring Heating Value 446 Werder Testing-machine 93 Westinghouse Gas-engine 706 W' illiams's Inertia Indicator 661 Willis's Planimeter 45 Wilson's Flue-gas Apparatus 481 Wind Resistance, Locomotive Tests 651 Wipe Spark -ignition 704 Wire-drawing 550 Wire-rope Test-piece 140 Wooden Tension Test-pieces 138 Work -diagram 21 Work Lost due to Heating in Compression 729 Mechanical, Isothermal Expansion. 712 (( Yield Point 69 Z Zero Absolute 338 '* Circle, Theory 38 Zeuner's Valve-diagram 587. 