![](http://www.alamy.com/thumbs/6/2DEA9483-E42F-4E68-A9E2-20C2E7DDC8B3/2F6BMB2.jpg)
Engineer Björkman at Hallade Device, which is a measuring instrument that can be mounted in a railway wagon to detect and control track errors, and also compare different trolleys walking properties. The pictures taken in the state's railways, SJ SO4 2812.
Size: 1855px × 2695px
Photo credit: © BTEU/JANG / Alamy / Afripics
License: Licensed
Model Released: No
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