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

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Example Sentences

See Examples For:

parallel ruler

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

One small compact case of good sector-jointed, drawing instruments with ivory parallel ruler: 3 pounds 3 shillings.

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

I measured off a distance of four miles with the dividers, and marked it off above the mouth of the creek; then applied the parallel ruler and found the course.

From The Congo Rovers A Story of the Slave Squadron by J. Schonberg

In his leisure hours, Watt invented an ingenious machine for drawing in perspective, using the double parallel ruler, then very little known and not at all used as far as Watt knew.

From James Watt by Andrew Carnegie

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 Edward S. Hodgson

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