Industrial survey, by R. L. Humbert ... director of surveys, in collaboration with R. B. H. Begg ...

Virginia Polytechnic Institute, Blacksburg. Engineering Extension Division.

The Newer Methods of Blood and Urine Chemistry, by R. B. H. Gradwohl and A. J. Blaivas.

R. B. Gradwohl

Copperplate Practice Sheets by RBH

Robert Hurford

A Transition Curve

John Edward Williams

RBH N.50 - V.25.qx4

Industrial survey, Wytheville, Virginia, by R. L. Humbert ... director of surveys, in collaboration with R. B. H. Begg ...

Virginia Polytechnic Institute, Blacksburg. Engineering Extension Division.

Industrial survey, Suffolk, Virginia, by R. L. Humbert ... director of surveys, in collaboration with R. B. H. Begg ...

Virginia Polytechnic Institute, Blacksburg. Engineering Extension Division.