RT Journal Article
SR Electronic
T1 On triple objectives with complete color correction; reply
JF American Journal of Science
JO Am J Sci
FD American Journal of Science
SP 109
OP 116
DO 10.2475/ajs.s3-19.110.109
VO s3-19
IS 110
A1 Harkness, William
YR 1880
UL http://www.ajsonline.org/content/s3-19/110/109.abstract
AB