Pocketbook of Useful Formulæ and Memoranda
for Civil and Mechanical Engineers

_______ __________ 14 192 Molesworth’s pocket-book Phvssian Railways—continued. . LEVEL crossings and stations. 30° Minimum angle of crossing with rails Minimum width of channel for flans'© at crossings ., ., ., Minimum depth of ditto .. " " Minimum portion of level at stations, flat districts ., .; • Ditto ditto, moimtafnous ditto ” Minimum distance, centre to centre of rail in station.............. Minimum radius of crossings and turnouts.......... Ditto for facing points at stations for through trains.............. Minimum diameter of engine turn- tables .. .. .. Minimum width of passenger plat- ....................... Maximuin height —" ’’ ’’ Minimum distance of pillars in sta- tions from rails .. .. Minimum diameter of watercrane pipes ............., Minimum height of fixed portion of watercrane above rails .. .. ,. locomotive sheds. Engine pits, in depth, from 2 ft. 6 in. to 3 ft. 6 in. Minimum height of water-tanks above rails 17 ft. Minimum height of engine doorways 15 ft. 9 in Minimum width of ditto .. .. .. --------- Minimum height of the beams from rails............__ ’ .. 2f inches inch 1800 feet 600 „ _______________________________________________ GOO 1000 38 18 „ 18 inches 9 ft. 5 in. 6 inches 9 ft. 6 in. 11 feet 19 „