987.250 Other Symmetries
987.251 An example of Symmetry #4 app ears at Fig- 450.10. An ample of Symmetry #5 appears at Fig. 458.12B. An example of Symmetry #6 appears at Fig. 458.12A. An example of Symmetry #7 appears at Fi g. 455.20.
987.251 An example of Symmetry #4 app ears at Fig- 450.10. An ample of Symmetry #5 appears at Fig. 458.12B. An example of Symmetry #6 appears at Fig. 458.12A. An example of Symmetry #7 appears at Fi g. 455.20.