PT  - JOURNAL ARTICLE
AU  - George Huntington Williams
TI  - On a new petrographical microscope of American manufacture
AID  - 10.2475/ajs.s3-35.206.114
DP  - 1888 Feb 01
TA  - American Journal of Science
PG  - 114--117
VI  - s3-35
IP  - 206
4099  - http://www.ajsonline.org/content/s3-35/206/114.short
4100  - http://www.ajsonline.org/content/s3-35/206/114.full
SO  - Am J Sci1888 Feb 01; s3-35