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Measuring velocity, manually

Ravi Sunderarajan

Rail Enthusiasts' Society

Rail Enthusiasts' Society
New Delhi, India

Longitudinal, lateral and vertical alignment are to be precise to ensure safe train operations. Longitudinal alignments are adjusted by local engineering staff, while vertical alignment can be a real challenge.

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  • Title: Measuring velocity, manually
  • Creator: Ravi Sunderarajan
Rail Enthusiasts' Society

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