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226 [2007/02/20 21:20] n5na |
226 [2007/05/21 00:41] |
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| - | ====== Crystal Calibrator Model 226 ====== | + | |
| - | ===== Description ===== | + | |
| - | *For Argosy Model [[525]] and Century 22 Model [[579]] | + | |
| - | *Internal, plug-in installation | + | |
| - | *Marker signal every 25 kHz | + | |
| - | *Marker pulsed 4 times per second for easy recognition | + | |
