PT - JOURNAL ARTICLE AU - C. S. Peirce TI - Results of pendulum experiments AID - 10.2475/ajs.s3-20.118.327 DP - 1880 Oct 01 TA - American Journal of Science PG - 327 VI - s3-20 IP - 118 4099 - http://www.ajsonline.org/content/s3-20/118/327.short 4100 - http://www.ajsonline.org/content/s3-20/118/327.full SO - Am J Sci1880 Oct 01; s3-20