Over fifty R.N.L.I.

life boats are now equipped with HECTA echo sounders The HECTA Echo-sounder is designed for indefinite use in open cockpits. It's simple meter-type display provides a very clear indication of depth in bright sunlight or in darkness. For night use the pointer and graduations are illuminated by the everlasting 'betalight'.

It has two range scales: 2.5-32 feet and 2.5-32 fathoms in Model A, or 2.5-52 feet and 2.5-52 fathoms in Model B.

Where accuracy and reliability count & GATEHOUSE: LTD Bath Road, Lymington, Hampshire. Telephone: Lymington 2800..