Trade Catalogs on Surveying, Measuring, and Drawing Instruments and Supplies: Clinometers, Auto-collimator, Optical Flats, Protractors, Planimeters, Pantographs, Eidographs, Drafting Machines, Drawing Boards and Stands, Straight Edges, Tee Squares, Set Squares, Clinographs, Scales, Rulers, Calculators, Curves, Printing and Developing Equipment, Plan Or Map Cases, Stationery Boxes, Counters, Map Measurers, Pedometers and Paceometers, Pocket Magnifiers and Microscopes, Compasses, Drawing Pens, Pencils, Crayons, and Erasers, Artists' Brushes, Water Colours, Colour Boxes, Inks, Stencils, Drawing and Photo Papers, and Tracing Cloths PDF Download