Ingegneria e parti . 205.000 liidfpcndeiice 18 95.000 Miller 60 400.000 L-afayette 60 125.000 Fope 40 180.000 Newton 25 150.000 Boone 20 110.000 Washington 32 156.000 Arkansas 36 135.000 WoodrufC 40 210.000 Perrv 20 100.000 Uandolph 8 21.000 IJttlf r.lv.?r 30 150.000 concedere 27 nri.ono Iralrle 12 f.n.riOO Phillips 5 6II.IIIJ0 Lnlon 30 160000 -Vrkansas 25 150.000 Bianco 21 100.000 Dalla.s " 30 150.000 Lonoke 15 60.000 Stone-Izard 8 60.000 Oawford 25 100.000 Poinsett 20 200.000 Crai>,hcad 10 50.000 AllssissJiipl 100 900.000 920 $4,523,000 è previsto che durante i due anni successivi t

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Engineering and Contracting . 205, 000 liidfpcndeiice 18 95, 000 Miller 60 400, 000 L-afayette 60 125, 000 Fope 40 180, 000 Newton 25 150.000 Boone 20 110, 000 Washington 32 156.000 Arkansas 36 135.000 WoodrufC 40 210, 000 Perrv 20 100, 000 Uandolph 8 21, 000 IJttlf r.lv.?r 30 150.000 Grant 27 nri.ono Iralrle 12 f.n.riOO Phillips 5 6II.IIIJ0 Lnlon 30 160, 000 -Vrkansas 25 150, 000 White 21 100, 000 Dalla.s „ 30 150, 000 Lonoke 15 60, 000 Stone-Izard 8 60, 000 Oawford 25 100, 000 Poinsett 20 200, 000 Crai>, hcad 10 50.000 AllssissJiipl 100 900, 000 920 $4, 523, 000 It is expected that during the next two years there willbe an even greater activity in road and bridge construc-tion in Arkansas. A ROTARY ROAD GRADER. A grading machine which differs essentially from oth-ers in common use for road construction is illustratedhere. A steel frame on four wheels carries a plow, arotary conveyor and the operating levers. All parts ex-cept the rotary conveyor are familiar. The conveyor isessentially a wheel rotating at a small angle with the. Rotary Grading Machine for Road Work. horizontal, and propelled, when the grader is moving, byfriction on the ground and by one truck wheel over whichit rides. The top of the wheel consists of a ring of steelplate cups hinged to the rim. In operation the plowthrows a stream of dirt onto the hinged plates. As theload comes to the opposite of the wheel the plates aretilted by a dump wheel and the load is discharged. Theoperation is simple. The capacity of this grader is statedto be 200 to 300 cu. yd. per hour. It weighs 3, 400 lb. andcosts $400 f. 0. b. factory. The manufacturers are MayerBrothers Co., Mankato, Minn. BU.^IPS AT RAILWAY CROSSINGS. The general claim agent of the Pacific Electric Ry.Co. of Los Angeles, Cal., has petitioned the State Rail-road Commission for permission to put a thank-you-marm 50 ft. on each side of grade crossings as a pro-tection against speeding over railroad tracks. It is statedthat the experiment of intentionally placing bum

Parole chiave associate all'immagine

• bookcentury1900
• bookdecade1900
• bookpublisherchicago
• bookyear19