| Mineral industries - 1908 - 852 pages
...the case of the Severn estuary, amount to as much as 12 knots an hour on spring tides. As almost all through routes between important centres at the present...effect of these diversities of gauge is to confine any long-distance through traffic to narrow boats. Nothing but a narrow boat can navigate between London... | |
| Institution of Mining Engineers (Great Britain) - Mineral industries - 1908 - 854 pages
...the case of the Severn estuary, amount to as much as 12 knots an hour on spring tides. As almost all through routes between important centres at the present...effect of these diversities of gauge is to confine any long-distance through traffic to narrow boats. Nothing but a narrow boat can navigate between London... | |
| Stanley Spooner - Automobiles - 1908 - 978 pages
...the case of the Severn Estuary, amount to as much as 12 knots an hour on spring tides. As almost all through routes between important centres at the present time contain links of narrow boat canal, the beam of any boat selected for canal travelling should not exceed that of a narrow boat,... | |
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