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The Maplin Mechanical Time is a 60 minutes time with table or wall mountable design. It has a bell alarm and measures 72 (w) x 72 (h) x 53 (d) mm.
Price: £3.99 from Tesco
| Retailer | Price | |
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| Tesco | £3.99 | Go to shop |
The 555 is a highly stable device for generating accurate time delays or oscillation. Additional terminals are provided for triggering or resetting if desired. In the time delay (monostable) mode of operation the time is precisely controlled by one external...
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