PT  - JOURNAL ARTICLE
AU  - F. L. O. Wadsworth
TI  - A simple method of determining the eccentricity of a graduated circle with one vernier
AID  - 10.2475/ajs.s3-47.281.373
DP  - 1894 May 01
TA  - American Journal of Science
PG  - 373--376
VI  - s3-47
IP  - 281
4099  - http://www.ajsonline.org/content/s3-47/281/373.short
4100  - http://www.ajsonline.org/content/s3-47/281/373.full
SO  - Am J Sci1894 May 01; s3-47