What people are saying - Write a review
We haven't found any reviews in the usual places.
CHAPTER HI MAPPING POLAR COORDINATES
2 other sections not shown
accurate Ammonia Prints backsight beam compass Bearing of course Blue Prints border lines circle closed traverse column compass Computations contour interval contour lines coordinate lines crayon curved determined Dist dots double area draftsman edge Elements of Mapping equal error of closure field notes follows freehand lettering French curve Gothic letters graphic projection ground points guide lines hachures horizontal angle inch inclined indicated Instructions for Plate interpolating latitudes and departures length Letters and Numerals light line magnetic bearing method of plotting needle north point paper parallel ruling pencil pigmt plat plotting accuracy polar coordinate protractor rectangular coordinate reference meridian Reinhardt relief Roman letters ruling pen shaded sheet shore line shown in Fig side sine offset spacing of letters strokes tangent or sine title block total latitude triangle trigono true bearing types of letters vertical weights of line width zero