You're probably looking for this collection at FamilySearch:
https://www.familysearch.org/search/catalog/231308
If you click the camera icon on the right next to "Wills, v. E-F 1846-1861" and flip pages, Book F, p. 416 should be here:
www.familysearch.org/ark:/61903/3:1:3QSQ-G933-PN7Q
The year's a bit off what you were expecting though.