RT Journal Article SR Electronic T1 On photographing histological preparations by sunlight JF American Journal of Science JO Am J Sci FD American Journal of Science SP 258 OP 267 DO 10.2475/ajs.s3-2.10.258 VO s3-2 IS 10 A1 J. J. Woodward YR 1871 UL http://www.ajsonline.org/content/s3-2/10/258.abstract AB