THEMES
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John Mayhew
1772
University of Pennsylvania Rare Book & Manuscript Library
 
1730-1750
Atwater Kent Museum of Philadelphia, The Historical Society of Pennsylvania Collection
 
William Savery
1750 -1770
Atwater Kent Museum of Philadelphia, The Historical Society of Pennsylvania Collection
 
ca. 1760
John Bartram Association Collection, Bartram's Garden
 
late 18th century?
Frankliniana Collection, The Franklin Institute, Inc.
 
Charles James
1761-1762
Frankliniana Collection, The Franklin Institute, Inc.
 
Instrument: before 1785; case probably early 19th century
Bakken Library and Museum
 
1790-1810
Winterthur Museum, Garden and Library
 
1785-1795
Winterthur Museum, Garden and Library
 
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