| 000 | 00627 a2200265 4500 | ||
|---|---|---|---|
| 001 | 127051 | ||
| 020 | _a | ||
| 041 | _aeng | ||
| 080 | _a624.28:629.018Dre | ||
| 245 | _aTrain air signal equipment : a practical textbook for the instruction of locomotive engineers and firemen | ||
| 250 | _a | ||
| 260 | _aChicago | ||
| 260 | _bAmerican Technical Society | ||
| 260 | _c1946 | ||
| 300 | _aiv,11 p. | ||
| 300 | _c27.5 cm | ||
| 490 | _a | ||
| 100 | _aDrennan, C.M. | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aRailway and Highway Engineering | ||
| 650 | _aRailroads , Signal and signaling | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c98545 _d98545 |
||