| 000 | 00514 a2200169 4500 | ||
|---|---|---|---|
| 999 |
_c11670 _d11670 |
||
| 245 |
_aThe products of X-Rays Ltd. _bInc. Fredk. R Butt & Co. Ltd |
||
| 260 |
_aLondon _bX-Rays Ltd. _c[1929] |
||
| 300 |
_a104 pages _c25cm _bIllustrations |
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| 852 |
_bReference _cReading Room |
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| 110 |
_aX-Rays Limited _92546 |
||
| 650 | 0 |
_aRadiography _xinstruments _923847 |
|
| 650 |
_aApparatus and Instruments _917978 |
||