| 000 | 00371pam a2200145a 44500 | ||
|---|---|---|---|
| 082 |
_aBTS _bMONO 1837 |
||
| 100 | _aBacon,W M | ||
| 245 | 1 | _aA FULL AUOMATIC TELETYPEWRITER SWITCHING SYSTEM | |
| 260 |
_a _b _c1951 |
||
| 300 | _a8 | ||
| 500 | _aBound With Bts Mono 1931-1936,1938-1950 Lack No-1950,1956 | ||
| 700 | _aLocke,G A | ||
| 964 | _gCIRC | ||
| 997 | _aTR19635 C | ||
| 999 |
_c402158 _d402158 |
||