OCR Text |
Show j.iiiiiiiiiii2 it Train's 5urf Inquiry tsfiequently m.ide as tokowlbs spocdof n train lusv be estimated. Tho traveler cispuciully is curious about tho speed his train is making, and wo suggest tbreom i tuxls by which tho speed may bo guessed with, rvmurkablo accuracy, ns follows fol-lows : I. 'U'ateti forthopassagoof tho train by Iho largo whlii mllo posts with black figures fig-ures upon t hi, aiiildivldod.fiOObytho time In seconds between posts; tho result Is tho speed in miles pir hour. 3 Listen attentively until tho ear distinguishes distin-guishes tho click, click, ollck ot tho wheel ns It passes n mil Joint. The number cf cUcks upon ono side of tho car In twenty seconds Is tho speed In lulle-i per hour, whorotho ruils nro thin v feet In length, snd this Is tho ruse genu ml). II. Count tho number of telegraph poles . passed In two minutes, If Uiera aro four or llvo wires to n polo, and in two minutes and twenty seconds If thero uio only one or two lines )er pole; tho nuuioerot poles passed Is tho n unibtr cf miles per hour at which tho train is lrnolIug. Household. |