 |
| |||
| german silver; nickel silver; copper-nickel-zinc alloy | |||
| babbit; babbitt; antifriction metal; babbit metal; white metal | |||
| metal blanco: 4 phrases in 3 subjects |
| Chemistry | 1 |
| Metallurgy | 1 |
| Technology | 2 |
|
| |||
| german silver; nickel silver; copper-nickel-zinc alloy | |||
| babbit; babbitt; antifriction metal; babbit metal; white metal | |||
| metal blanco: 4 phrases in 3 subjects |
| Chemistry | 1 |
| Metallurgy | 1 |
| Technology | 2 |