Hair number

Different sorts

Corresponding figures

1

ž a plaque of gold alloy (Au/Ag)

ž Four little particles of a gold powder

ž two little particles of a gold powder

ž two little particles of a gold alloy (Au/Ag/Cu) powder

ž a second plaque of gold alloy (Au/Ag/Cu)

Figure 12

Figure 13

2

ž three little particles of a gold alloy (Au/Ag/Cu) powder

ž a little poly-lobed particle of a gold alloy (Au/Ag/Cu)

ž six little particles of a gold powder

Figure 9

3

ž a particle of gold alloy (Au/Ag/Cu)

ž a plaque of gold alloy (Au/Cu)

ž two particles of gold alloy (Au/Ag/Cu)

ž three particles of a gold alloy (Au/Ag/Cu) of a powder

Figure 10

Figure 11

Figure 15

9

ž a little plaque of pure gold

ž grains of pure gold dust

ž a particle of pure gold

Figure 14

Figure 16