General IRT105 Manuel De L'utilisateur page 13

Nickel wire
Lead (99.95% pure, unoxidized)
Copper
Steel
Zinc (galvanized sheet iron, bright)
Brass (highly polished)
Brass (hard rolled, polished w/lines)
Iron galvanized (bright)
Iron plate
Rolled sheet steel
Oxidized iron
Wrought iron
Molten iron
Copper (polished)
Copper (scraped, shiny, not mirrored)
Cooper (plate,
Brick (red, rough)
Brick (silica, unglazed rough)
Concrete
Glass (smooth)
Granite (polished)
Marble (light gray, polished)
Asbestos board
Asbestos paper
Asphalt (paving)
368/187
260/127
390/199
1110/599
390/199
1110/599
82/28
476/247
70/21
——-
68/20
71/21
212/100
70/21
2550-3270/1299-1399
70-242/21-117
72/22
70/21
1832/1000
———
72/22
70/21
72/22
74/23
100/38
700/371
39/4
0.10
0.06
0.18
0.19
0.52
0.57
0.23
0.03
0.04
0.13
0.69
0.66
0.74
0.94
0.29
0.02
0.07
0.93
0.80
0.94
0.94
0.85
0.93
0.96
0.93
0.95
0.97
13