Surveying for Beginners. E-book. Formato PDF Joseph Baker Davis   -  Forgotten Books, 2017  - 

Do not come here with parts of the notes of a piece of work in different books. Every note book must contain them all. Present all records. Maps, and drawings, until given a grade. Late comers make up all back work within three weeks, or drop out. Instruments, apparatus and tools, are issued on the check system. Each one gets five checks for which a charge of fifty cents is made. The money will be returned at the end of the semester upon the return of the checks. A check is left for each article issued. The checks are returned upon the return of the articles in the same condition as when issued.

Plane Table. E-book. Formato PDF Joseph Baker Davis   -  Forgotten Books, 2017  - 

II. For some work, a compass needle in a box. The box has a square or rectangular base with the edges beveled like a rule and parallel and perpendicular to the zero line of the compass ring. The compass needle is sometimes mounted on the rule of the alidade but the separate compass is better.