Old Fort Niagara Field School 2007


Treatment Photographs

To the left is a before-treatment photograph of a pale blue wound glass bead, Kidd type W1c3, from Unit 27, Level 22 whose surface is obscured with dirt. It dates to the first half of the 18th century and may have been manufactured in Amsterdam. This bead would have been imported to be used in trade with the Native Americans. On the right is an after-treatment photograph of the bead following cleaning with the tip of a bamboo skewer and a scalpel. This bead is a rather rare find -- only two similar (though not identical) beads have ever been found at Fort Niagara.

A brick found in Unit 27 after treatment (left) and a detailed photo showing surface detail (right).
	To left is a before-treatment photograph of a catlinite pipe bowl fragment. The fragment was cleaned with brushes, swabs dampened with distilled water, and an EDTA solution was used to loosen the compact dirt. The piece was then desalinated to remove the EDTA. The two after-treatment photos below show the results.


	Above and left: Janet Balicki uses a rotary tool to mechanically reduce the thick and disfiguring corrosion from the barrel hoop.
To the right is a before-treatment photo of glass phial fragments from Unit 25 covered with dirt.

Janet Balicki adheres the fragments together with 35% B-72 in acetone.	The phial is almost completely re-adhered together.

Click on the Daily Dig for weekly progress photos of the Field School.


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