Weems & Plath Nautical Slide Rule walking which was shortlisted for the

which was shortlisted for the William Hill Sports Book of the Year

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Weems & Plath Nautical Slide Rule walking which was shortlisted for theThe Nautical Slide Rule offers a foolproof, immediate solution to all common speed time distance problems and is convertible to statute or nautical miles. It also allows the user to compute distance in yards if the speed is factored in knots. The Nautical Slide Rule is sometimes referred to as a Time Speed Distance Calculator. Immediate solution to all speed time distance problems Equally applicable for nautical or statute miles Speed in knots or mph;