Pocketbook of Useful Formulæ and Memoranda
for Civil and Mechanical Engineers

720 INDEX. Contrasts of Colour .. .. 381 Conversion of Units .. 301 Copal Varnish............429 Copper Pipes, Weight of 51 ------ Plates---------39 ------Rods -------------- 47 ------ Sheet----------39 ------Weight and Strength of .. .. ,, 16 ------ Wire. Resistance of .. .. ..319 --------------Weight of.. 45 Cord of Wood............. 458 ----Weighted.. ,, ,.155 Corn Mills .. .. ,, 438 Corrosion of Iron and Steel 33 Corrugated Iron Booting 142 --------------Strength of 143 Cosines, Table of Loga- rithmic ................6S6 ----------------Natural 621 Cotangent, Table of Loga- rithmic ............. .. 6*6 ---------------of Natural 6 21 Counter-bracing Girders.. 166 Couplings and Necks of Shafts ................408 ---------Compression .. 412 ---------Flanged .. .. 411 --------- Flush .. .. 410 Coversines, Talke of Loga- rithmic ................686 ----------------Natural 621 Crane Blocks .............55 Cranes............... . , 436 ------Strains on .. .. 437 Crank Shafts ............407 Creosoting of Timber. .. lil t Cross-sectional Resistance in Vessels .............555 ------Girders, Loads on 162 Crossings, Memoranda on 208 ---------Points and .. 209 Crucibles................424 Columns, Long..............112 ---------- Short............112 I ------------------------------Table of Strength ! of...................113 ! Combinations of Colour .. 381 ; Combined Steam .. .. 461 Combustion ................461 Compass, Points of .. .. 622 Compound Engines .. .. 456 -------------Expansion 454 -------------Marine .. 518 •------------Proportion of Cylinders........454 -------------Pumping 2-i2 Compound Interest .. .. 611 • Compression under Strains 22 • Conchoid Curve .. .. 651 j Concrete ....................99 i --------Walla .. .. 98 I Condensation...............461 Condensers, Surface, Table of..........................528 ; Condensing Engines .. 499 ------------------Dimen- ■ sions of---------- ,. 500 Conductors, Lightning .. 363 | Cone................657 ----Frustum of .. .. 656 Conic Sections......634 ------Definitions of 635 -------------Diagrams of 637 ------------ Ellipse .. 611 ------------Formulæfor 638 ------------H y perbola 615 ------------I .oci ,. .. 639 ------------Parabola .. 616 Connecting-rod.............495 Consumption of Oil on i Railways ...........503 Contents of Spheres.. 679 Continuity of Girders .. 163 Continuous Girders, Loads on............................164 Contract», Vena.......218 PACK