Richard Norwood

References

Richard Norwood

English navigator

Written by

The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

navigation
Distance and speed measurements
…Practice (1637) the English navigator Richard Norwood recommended the use of a line knotted at intervals of 50 feet (15 meters) and a 30-second sandglass; knotted intervals of 47 to 48 feet (14.3 to 14.6 meters) and a 28-second sandglass were later adopted to accord with nautical miles of slightly…
Read More
…Practice (1637) the English navigator Richard Norwood recommended the use of a line knotted at intervals of 50 feet (15 meters) and a 30-second sandglass; knotted intervals of 47 to 48 feet (14.3 to 14.6 meters) and a 28-second sandglass were later adopted to accord with nautical miles of slightly…
Read More