Table 3 number of bronze objects in each group using the Attribute-Value classification method (4 researchers and daily use), * not used in the PCA analysis

GGroup

1, eneolithic

2

1, sword

10

2, antique bronze

21

2, needle

9

3, middle bronze

14

3, spearhead

19

4,middle-late bronze

7

4, rings

9

5, late bronze

33

5, axe

27

6, final bronze

22

6, ingots

6

7, final bronze, 1^ Fe

19

7, nail

4

8, 1^Fe

11

8, knife

10

*

9, VII-VI a.C.

5

9, sickle

1

GVgroup

1, ornaments

32

10, brooch

17

2, sharpened

15

11, sheath

2

3, axes

27

12, earring

1

4, swords

12

13, arrowhead

4

5, spearheads

18

14, razor

5

6, ingots

6

15, spring wire

5

7, sheaths

2

16, damascene Fe rich

5

8, pointed, heavy

8

1, flat blades

28

9, pointed, light

9

2, pointed, tip

14

*

10, damascene Fe rich

5

3, long blades

26

SHPgroup

1, pointed

59

4, cutting blades, knives

12

2, sharp

64

5, wire or wirewound

41

3, for foundry industry

6

6, fodero di spada

2

*

4, Fe rich objects

5

7, for foundry industry

6

8, Fe rich objects

5