Cambridge  
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Antenna Noise Bridge Low Frequency Converter 60 kHz Receiver VLF Receiver 198 kHz Converter
50 & 70 MHz Converter Audio Oscillator MSF Clock Tunable Audio Notch Filter Programmable Chime
Antenna Tuner Speech Compressor Two Tone Oscillator Sound Meter 136 kHz Crystal Calibrator

PROGRAMMABLE CHIME

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Program your own tunes, any of millions - not just 24, choose your own, make up your own, change them in seconds, surprise guests, 10 notes programmable for pitch and duration by terminal blocks and colour coded wires, volume and tempo controls, 3W output, rich bell sound, runs from bell transformer or 12 V, legal to use in a car, 5x 7 x 14 cm, 450 g.

"very satisfactory", FPT in London.

This fun-to-build kit used to include all parts, tinned drilled fibre-glass pcb, case, connectors, screws etc as well as detailed assembly and operating instructions including circuit description and diagram, programs for many popular tunes, and was priced at 62.60 including VAT and UK postage.
Please e-mail martincambridge@live.co.uk for the latest price reduction, details of payment and any extra parts now neeeded.