| 000 | 00486nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 160615s9999 xx 000 0 und d | ||
| 100 | _aROSSLYN(J) | ||
| 245 | _a"Electric relays. Constructional details and notes on the use of magnetic, mercury, thermionic & photo/electric relays. With IIO diagrams and photographs." | ||
| 260 | _aLondon | ||
| 260 | _b"George Newnes Ltd.," | ||
| 260 | _c1942 | ||
| 300 | _avii p. + 184 | ||
| 942 | _cBooks | ||
| 999 |
_c4632 _d4632 |
||