To convert kg./mm. to.......lb./in. ......N./mm.
  multiply by ................55.998........9.807
  To convert lb./in. to ......Kg./mm. ......N./mm.
  multiply by ................0.017858......0.175133
  To convert N./mm. to .......Kg./mm. ......lb./in.
  multiply by ................0.101968......5.7099