Mentoring Mondays Guest Presenter: Dr. Richard Elgin, Ph.D., PLS, PE
In this presentation, Dr. Elgin traces the evolution of early American surveying equipment, from the plain compass of the late 1700s to the vernier compass, the telescopic compass, the “Railroad” compass, and the compass’ ultimate development, the solar compass. Also discussed are the standard American Transit and its solar and mining attachments. Dick also reviews […]