Browse Items (2 total) Date is exactly "July 1852" Browse All Browse by Tag Search Items Sort by: Title Creator Date Added [Letter to Dr William Francis from John Tyndall], Tyndall, John, 1820-1893, July 1852 [Letter to Dr William Francis from John Tyndall], Tyndall, John, 1820-1893, July 1852 Sort by: Title Creator Date Added Output Formats atom, dcmes-xml, json, omeka-xml, rss2