NEW Sonar breakthrough *"--y Figure I. Shallow water with Sand bank hazard.

Early detection of shelving bottoms and rock ledges.

Loudspeaker warns you up to 100 seconds before grounding. Figure 2. Deep water with Rock ledge hazard.

Gives you warning IN ADVANCE of danger! Has integral microelectronic computer It scans the sea-bed and warns you up to 100 seconds before you hit bottom High power Transducer — 40 watt pulses Low power consumption — only 5 watts Four ranges: 10 or 100 feet or fathoms Superb quality— ENS8J Stainless Steel Less than one-third the cost of Radar The Acoustron 121—a breakthrough for relaxed, safe boating and yachting Please send me details of the ACOUSTRON 121 Name_ Address.

APOLLO Associates Pounce Hill, Sewards End, Essex Tel: Saffron Walden 7616.