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Show III I I I i. !! I ! ' ' BH TROLLEY SETS THE SIGNALS System Invented by Indiana Man That Operates Automatically as Car H Passes Over Switch. B Ever slnco tho trolley linos have Hl been spreading out through the conn- Hj try, peoplo' have been asking them- soIVqs why somebody did not invent A ! signal systom which would not ncces- Bltnto tho stopping of tho cars at H switches until tho. conductor got off IH nnd changed tho semaphores or lights, ! no tho caso might bo. An Indiana f ! man nnBwerod this by designing such , a systom, tho operation of which is H shown in the illustration. Tho lnvon- ! 1 ifl -. T n H i rjj tH No 8topn at Switches. tlon consists of n signal post liko the usual signal post with thu signals H operated by means of a lovor which jH passes under tho tracks. A person wishing to board tho car-pullB a cord 1 or wlro which swings tho Bomuphorc H arm to a horizontal position, if it be H day-time, or lights nn electric light, H If It bo night. Ab tho enr passes over ,H tho switch, uftor taking tho passenger H aboard, tho automatic action drops H tho somaphoro nnd extinguishes the H light or chnngea Its color. |