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parallel ruler

British  

noun

  1. engineering a drawing instrument in which two parallel edges are connected so that they remain parallel, although the distance between them can be varied

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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See Examples For:

The exercises were growing more complex and difficult: navigation by leg dividers and a parallel ruler; docking in 30 mph wind; sailing around an entire island; trying to rescue Mick’s hat, which blew overboard.

From Washington Post Sep. 6, 2017

But reach down your chart, and produce your parallel ruler and dividers, my hearty; I want to get some sort of notion of what is ahead of us.”

From A Middy of the King A Romance of the Old British Navy by Hodgson, Edward S.

Mr. Spokesly laid the parallel ruler against the line and produced it clear across the chart.

From Command by McFee, William

One brass rolling parallel ruler, two feet long; must not weigh less than five pounds.

From Successful Exploration Through the Interior of Australia by Wills, William John

The lieutenant followed him, and stood watching as the master again manipulated his parallel ruler and dividers.

From The Pirate Slaver A Story of the West African Coast by Overend, William Heysham

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