Hi! Thanks for your interest in
Delaware County Institute of Science (Delaware County, Pa.) minutes and papers, [ca. 1833]-1873
(Mss.H.S.Film.28).
We've made some changes to our website, but you can still find this collection here: https//as.amphilsoc.org/repositories/2/resources/2584.
APS Search Tools
We have lot of ways to explore our holdings.
