Pocketbook of Useful Formulæ and Memoranda
for Civil and Mechanical Engineers

735 INDEX. PAGE I Riveted Joints in Tension 484 i Rivet-heads .............483 Riveting for Boilers.. .. 482 --------------Shipbuild- ing ...............475, 482 ------Hydraulic .. 543 Rivets, Strength of .. ..476 Roads, Dimensions of, in India .................241 _-----Metalling .. .. 242 ------on Sidelong Ground 82 ------Paved..............241 ------Traction on.. .. 241 ------Wear of, In India 242 Rocks, Bulk of........... &l ------Weight of .. •. 84 Rods, Connecting .. . • 495 ------Copper, Weight of 47 Rolled Iron Beams .. ..138 Steel Beams.. .. 139 Rolling Stock, Dimen- Bions of..............232 ________Life of .. 238 --------Number of 232 Hoofing, Corrugated iron 142 Roofs, Angles of .. ..141 _________ Curved .. .. 142, 152 ______________Iron Prin- cipals ...............147 --------------Trusses for 152 ------Diagrams .. .. 149 ______Iron, Examples of 147 ------Loads on .. .. 141 ______Pressure of Wind on 141 ------Purling and Rafters 145 ------Slate ..............I« ------Strains on .. . • 1J 6 ------Trusses............134 ------Wooden .. .. 145 Roots, Cube and Square .. 69t> ------Extraction by 1 0- garithnis ............683 Rope Inclines............225 Ropes, Flat .. .. •• 53 PAGE Ropes, Hemp, Gearing ..416 ------Stiffness of .. .. 436 ------- Weight and Strength of........................52 ------Wire .. .. .. 53 ----------Traiismitsion of Power by............4IT ------Working Load of.. 53 Bound Bariton, Weight of 38 Rule, Slide..............684 Rupee, Decimal Equiva- lents of.................600 Kupe» a, Multipliers ftr exchange of..............599 Rust-joint Cement .. .. 425 Safe Load on Beams of Pine 125 Safety-valves, Ana of .. 490 ----------French Practice 491 Proportions of 490 Salinometer .............554 Sand, Parting .. .. .. 425 Saws, Circular...........440 ------Machine............440 Scales for Parliamentary Plans ................188 ------Standing Orders .. 188 Scantling of Roof's .. .. 145 Screw-bolts and Nuts .. 418 Screw-cutting Change Wheels................435 Screw Piles .............J19 ------Pitch of...........566 ------Propeller .. .. 666 ------Steamers, Speed of 567 Screws, Angular Thread 4J 8 ------Gas Thread ,. .. 419 ------Watch and Mathe- matical Instrument .. 419 ------Whitworth’s .. 419 Sea Water................243 Sections, Conic..........634 Sector of Sphere >. .. G58 j Segment Areas..........656