Page:Graphic methods for presenting facts (1914).djvu/267

 Fig. 199. A Full-size Illustration Showing Some of the Different Arrangements of Map Pins and of Beads Which Can be Used for Map Work

The size of the various beads and pins can be determined by measuring on the above picture with an ordinary ruler, as the articles are shown in their exact size

4. A celluloid flag, with beads above the flag to represent quantity, or beads in different colors to denote various characteristics for the data portrayed. The grip of the sheet celluloid on the pin is sufficient to hold both the beads and the flag at the upper part of the pin.

5. Long pin with large size glass head, obtainable in different colors.

6. Pin like that shown in No. 5 used with beads strung upon it.

7. A brass tack large enough to receive gummed labels which may be written upon with a pen.