| ·The magnetic field weakens the resistance 0.0150 ohms | [2017-10-27] | |
| ·The magnetic field weakens the resistance 0.0223 ohms | [2017-10-27] | |
| ·The magnetic field weakens the resistance 0.0273 ohms | [2017-10-27] | |
| ·Locomotive 16 ohm resistance box | [2017-10-27] | |
| ·Locomotive 6 ohm resistance box | [2017-10-27] | |
| ·Double cab dome lamp for railway locomotive driver's cab | [2017-10-27] | |
| ·Railway locomotive corridor lamp | [2017-10-27] | |
| ·Locomotive 110V800W headlight bracket | [2017-10-27] | |
| ·Locomotive headlight bracket | [2017-10-27] | |
| ·Locomotive lighting meter (timing lights) | [2017-10-27] | |
