Présentation de l'éditeur
Cross-identification of MLK-179 and MLK-127. (S ee Plate 8).... 12. Pine forest, Northern A rizona: Near San Francisco Peaks, Flagstaff (1904) 23. Pine (P onderosa) forest, Northern Arizona Courtesy of U. S. Forest Service 34. Douglas fir site, Mesa Verde 45. Giant sequoia: Lady A lice in Balch s Park (1925) 56. Complacent and sensitive sequences of rings: A. Complacent ring record, BE- 133, pine B. Sensitive ring record, MV-23 Douglas fir 87. Cross-dating at 125 miles, JPB-17, pine, and BK-2, Douglas fir 98. Enlargements of specimens shown in frontispiece A. MLK-179 B. MLK-127 C. Center of MLK-179 10 9. JCD Signature in F-3992, Flagstaff (charcoal) 11 10. A. Forest interior ring type Pine, FL-131, 3miles north of Flagstaff B. Forest border ring type, PR-62. Lower forest border, sensitive rings: south-east of Prescott... 12 11. Tree roots and bed rock; Defiance Plateau 13 12. A. Periodogram (1913) of sunspot numbers since 1760 B. Periodogram (1918) of variable star, RA rietis, showing period of 187 days (see appendix) 40 13. A. Cyclogram by spectrometer process (1914) FACING PAGE B. Sweep or cylindrical pattern; the original plot, inverted, shows below the sweep. 41 14. A. The cyclograph 44 B. Analyzing parts of the cyclograph .. 45 15. A. Analyzing plate and mounting B. Cyclograms of sunspot numbers, using centers of mass 48 16. A. Multiple standard with discontinuous periods B. Arizona ring record, FAM, 1700 to 1920 at 21.0 years C. Analysis of Flagstaff tree ring records (see chapter II, Cyclogram Reading) 49 17. Illustration of sunspot cycle by changes in calcium flocculi after A dams and Nicholson 66 18. Cyclograms of monthly sunspot numbers, 1750 to 1931 67 19. A. Cyclograms of Abbot sradiation curve, December 1918 July 1930 B. Cyclograms of magnetic character figure C. 1923-1933 C. Cycle relief map of the magnetic character figure C, January 1932 to M
(Typographical errors above are due to OCR software and don't occur in the book.)
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