Admiralty Tidal Stream: Show at a glance both direction and rate of tidal streams at hourly intervals by careful and accurate use of graded arrows. Display mean neap and spring tidal rates in tenths of a knot. Include diagram to assist you to calculate the tidal stream rates for your required day.
Tidal Stream Admiralty NP250
£22.90 £21.95
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Part Number
Port Solent
Warehouse
02094
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