Ottoman palace weavings between different periods: material characterization, comparison and suggestions for conservation

Heritage Science

Table 6 Technical specifications of the metallic thread and wire samples

Inv. No	Sample^a	Core fiber type	Core fiber color^d	Core fiber twist direction	Metal strip twist direction	Production method	Strip width (µm)	Winding width of strip (µm)	Strip thickness (µm)
13/218^b	WMT	Silk	White	Z	Z	Rolling	250.53	626.51	8.46
13/1455	YMT	Silk	Yellow	S	S	Rolling	260.61	241.16	7.90
13/584	YMT	Silk	Yellow	S	S	Rolling	377.50	519.67	9.81
13/1893	YMT	Silk	Yellow	S	S	Rolling	217.40	223.07	8.67
13/1893	WMT	Silk	White	S	S	Rolling	321.22	328.90	5.83
13/816	YMT^c	Silk	Yellow	S	Z	Rolling	265.60	268.05	8.22
13/816	YS	–	–	–	–	Rolling	786.61	–	–
13/1060	YMT	Cotton	Yellow	Z	S	Rolling	204.46	382.75	5.62

The average was taken by making more than one measurement of each numerical value, and the results were arranged so that the decimal tab was two-digit numbers
^aWMT white metallic thread, YMT yellow metallic thread, YS yellow strip
^bThis sample is taken from silk brocade fabric with light pink ground (Inv. No. 13/218)
^cThis sample is the metallic thread belonging to the edge embroidery of the historical dress
^dThe colors belonging to core fibers are shown in the OM images in Figs. 2 and 3