. The street railway review . a I ^m96oIT \ %AI4BQir i^AS Boor :>o/fiej 6* 6i/a- r 4h^^^^*-^^*-^^^^^ ,, • • .: tji/6a into 3tr i^ ( Frame he Bgjrf^ry, ^^ T Radius 7 7 Speed IS Miles per Hour E/eyotion of Pail 0. 56. -e- SILVKK iSiiW —TRESTLE AND ELEVATION OF RAIL ON CURVES. Radius 66 Speea /e tJiles per nour Eierotion of PoJ/ O. 69 nrr floors. A brick lloor in a machine shop answers many of the re-quirements, but there is good evidence in support of the objectionthat men cannot stand all day on such a floor or upon a surface ofconcrete or asphalt without feeling the bad cflfects of
. The street railway review . a I ^m96oIT \ %AI4BQir i^AS Boor :>o/fiej 6* 6i/a- r 4h^^^^*-^^*-^^^^^ ,, • • .: tji/6a into 3tr i^ ( Frame he Bgjrf^ry, ^^ T Radius 7 7 Speed IS Miles per Hour E/eyotion of Pail 0. 56. -e- SILVKK iSiiW —TRESTLE AND ELEVATION OF RAIL ON CURVES. Radius 66 Speea /e tJiles per nour Eierotion of PoJ/ O. 69 nrr floors. A brick lloor in a machine shop answers many of the re-quirements, but there is good evidence in support of the objectionthat men cannot stand all day on such a floor or upon a surface ofconcrete or asphalt without feeling the bad cflfects of cold upon thefeet. This difficulty is overcome to a large extent by the use ofslatted floor racks or platforms at the machines where operativesstand. When machines are set upon a brick floor there should bespecial provisions made for foundation. But this can hardly beurged as an objection, as it is necessarily the case with heavy ma-chines under almost any circumstances. A bedded plank floor has recently been laid in an extensive shopplant of the Boston & Maine road. The earth is well compactedand brought to the proper surface and a bed of coal tar concrete putdown in three courses. This bed is 4 in. thi
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
