. The carman's helper . the 30,000 pound pendulum hammer. Fig. 3 showsthe 30,000 pound movable car to which the sills anddraft gear are attached for tests; and Fig. 4 shows 73 m u P X. heC o m I be 311 THE CARMANS HELPER another view of the car with sills attached and the re-cording instrument which shows pounds pressure onthe sills at each blow of the Fig. 4—View of Car with Sills Attached and Also the Recording Instrument. 212 THE DRAFT GEAR ■■ Heightof Drop Speed in Inches F. P. S. M. P. H. 1 2 3 4 5 6 7 8 4
. The carman's helper . the 30,000 pound pendulum hammer. Fig. 3 showsthe 30,000 pound movable car to which the sills anddraft gear are attached for tests; and Fig. 4 shows 73 m u P X. heC o m I be 311 THE CARMANS HELPER another view of the car with sills attached and the re-cording instrument which shows pounds pressure onthe sills at each blow of the Fig. 4—View of Car with Sills Attached and Also the Recording Instrument. 212 THE DRAFT GEAR ■■ Heightof Drop Speed in Inches F. P. S. M. P. H. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 • 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 213 THE CAKMAXS Sl>««d 1 - s M. P, H. 4^ I p ^ I **.{> « M 1^.54 ^S If. TO s;s l«.SJ» M IT,01 ll.«« ss IT^IT 11,71 s$ ST
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectrailroa, bookyear1920
