Hi Linda,

You might try these sources:

American Institute on the History of Pharmacy
777 Highland Ave.
Madison WI 53705-2222
https://pharmacy.wisc.edu/aihp/ 
608-262-5378 
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Arizona History of Pharmacy Museum
Dr. Richard M. Wiedhopf, Curator
Mr. Stephen Hall, Assistant Curator
1703 E. Mabel St.
Tucson AZ 85721
http://www.pharmacy.arizona.edu/visitors/pharmacy-museum
520-626-4429 or 520-626-1427
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Allen Dart, RPA, Executive Director (Volunteer)
Old Pueblo Archaeology Center
PO Box 40577
Tucson AZ 85717-0577  USA
		520-798-1201 
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		www.oldpueblo.org

Disclosure: Old Pueblo Archaeology Center's Executive Director Allen Dart is a USDA Natural Resources Conservation Service cultural resources specialist who volunteers his time to Old Pueblo. Views expressed in Old Pueblo Archaeology Center communications do not necessarily represent views of the U.S. Department of Agriculture or of the United States.
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-----Original Message-----
From: HISTORICAL ARCHAEOLOGY [mailto:[log in to unmask]] On Behalf Of Linda Hylkema
Sent: Tuesday, August 30, 2016 11:06 AM
To: [log in to unmask]
Subject: dating glass syringes

Does anyone know of a good typology for identifying the date ranges of glass syringes?

​Thanks in advance!

Linda Hylkema​