This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Remote heart-testing device studied by Sun Oil
Sun Oil researchers, with Chest Hospital support, test 352 workers using a wearable heart monitor during actual labor to identify abnormalities. Most subjects faced extreme heat and heavy lifting at Marcus Hook, while later plans include longer tests and home use with remote transmission to technicians for analysis.
MENTIONED IN THIS ARTICLE
Philadelphia
Sun of Co
Charles S. Ryan
Sun Oil
Marcus Hook
Bell Telephone Co
Fineman
Ryan