RT Journal Article
SR Electronic
T1 Description of a printing chronograph
JF American Journal of Science
JO Am J Sci
FD American Journal of Science
SP 436
OP 440
DO 10.2475/ajs.s3-2.12.436
VO s3-2
IS 12
A1 Hough, G. W.
YR 1871
UL http://www.ajsonline.org/content/s3-2/12/436.abstract
AB