Journal of Indian Museums

Journal of Indian Museums

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DIAGRAM II SEQUENTIAL SWITCHING TIMER RELAY SYSTEM FOR TEN STAGES SCHEMATIC DIAGRAM Materials required: (1) Transformer 1-Primary 230v; Second- Transistor o- BC 108. ary 9v; 300mA (2) Transformer 2-Primary 230v; Second- alt;7) IC_I a–i* MC 14015 B- ary 2v- 2 Amps. ... (10; LED Light emitting diode.

Title:Journal of Indian Museums
Publisher: - 1984


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