map. A layer of the cheapest kind of muslin placed over the face of the straw-board will prevent the pins from tearing the surface of the map if they happen not to be pushed in exactly straight. The use of cloth over the straw-board also permits of changing the pins many more times than would be feasible with straw-board without the cloth reinforcing.
 | An image should appear at this position in the text. To use the entire page scan as a placeholder, edit this page and replace "{{missing image}}" with "{{raw image|Graphic methods for presenting facts (1914).djvu/251}}". Otherwise, if you are able to provide the image then please do so. For guidance, see Wikisource:Image guidelines and Help:Adding images. |  |
Review of Reviews
Fig. 188. Every Pin Dot on this Map Marks the Home of a Student of the University of Cincinnati
By using a map printed in colors which do not photograph as black, the pins show up distinctly on the map
as a background
Before mounting a map the colors should be tested to make sure that they will not run in water. The map should then be wet all over, preferably by laying it flat for a time in a large tray. Use a flour-and-water starch paste, paper-hanger's paste, or library paste of the kind used in mounting photographic prints. Carefully remove
