PT  - JOURNAL ARTICLE
AU  - Southworth, J. P.
TI  - On a new micrometic goniometer eye-piece for the microscope
AID  - 10.2475/ajs.s3-2.12.408
DP  - 1871 Dec 01
TA  - American Journal of Science
PG  - 408--409
VI  - s3-2
IP  - 12
4099  - http://www.ajsonline.org/content/s3-2/12/408.short
4100  - http://www.ajsonline.org/content/s3-2/12/408.full
SO  - Am J Sci1871 Dec 01; s3-2