parallel rulers


parallel rulers
a pair of straightedges connected by two pivoted crosspieces of equal length so as to be parallel at all times, used for various navigational purposes, esp. for transferring the bearing of a plotted course to a compass rose.
[1695-1705]

* * *


Universalium. 2010.

Look at other dictionaries:

  • Parallel rulers — are a drafting instrument used by navigators to draw parallel lines on charts. The tool consists of two straight edges joined by two arms which allow them to move closer or further away while always remaining parallel to each other. External… …   Wikipedia

  • parallel rulers — a pair of straightedges connected by two pivoted crosspieces of equal length so as to be parallel at all times, used for various navigational purposes, esp. for transferring the bearing of a plotted course to a compass rose. [1695 1705] * * *… …   Useful english dictionary

  • parallel ruler — noun see parallel rule * * * ˌparallel ˈruler 7 [parallel ruler] noun a device for drawing lines that are always the same distance apart, consisting of two connected rulers …   Useful english dictionary

  • parallel ruler — noun an instrument for drawing parallel lines, consisting of two or more rulers connected by jointed crosspieces so as to be always parallel …   English new terms dictionary

  • List of rulers of Croatia — The seal of the Kingdom of Croatia and Dalmatia was affixed in 1527 to the Cetin Charter that confirmed the Habsburg to be the rulers of Croatia …   Wikipedia

  • List of fiction employing parallel universes — The following is a list of fiction employing parallel universes or alternate realitiesBooks*Margaret Cavendish, Duchess of Newcastle, wrote The Blazing World (1666), a book far ahead of its time, in which the heroine passes through a portal near… …   Wikipedia

  • List of rulers of Auvergne — This is a list of the various rulers of Auvergne. Contents 1 History 2 Counts of Auvergne 2.1 List of Burgundian Dukes of the Roman era 2.2 List of Counts of the Frankish era …   Wikipedia

  • Уатт, Джеймс — Джеймс Уатт James Watt …   Википедия

  • Navigational instrument — Navigational instruments refers to the instruments used by nautical navigators and pilots as tools of their trade. The purpose of navigation is to ascertain the present position and to determine the speed, direction etc. to arrive at the port or… …   Wikipedia

  • Hokulea — Hōkūleokinaa [Finney, et al. Voyage of Rediscovery , op. cit., p. xiii, offers pronunciation guidance for the boat s name, The macrons [ kahakō in Hawaiian] over vowels indicate that they are longer than unmarked vowels and are stressed. The… …   Wikipedia


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.