Dividers and Compasses: Difference between revisions

Latest revision as of 17:52, 9 September 2016

Compasses	Used for drawing arcs and circles, these range from simple Pencil Compasses to the more precise instrument used in Technical Drawing. As drawing instruments they can have Knuckle Joints to ensure the pencil lead maintains an Acute Angle to the drawing surface. The leg hinge may be a Firm Joint with the compasses set and held in position by Friction or Springbow compasses have a spring clip holding the hinge together and use a fine screw for adjustment.
Beam Compasses	Used for larger diameter circles
Trammels	Similar to Beam Compasses but commonly associated with larger tools used for setting out constructional work rather than drawing.
Dividers	Used to transfer measurements and similar in all respects to Compasses but with a stylus point on each leg.

See also Drawing Instruments for information on Dividers and Compasses.


Spring Dividers	Wing Compass	Trammel Points	Trend Trammel Set	Olfa Circle Cutter	Card Circle Cutter	Demonstration Blackboard Compass	Student Pencil Compass

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 [[Category:Secondary]]
 [[Category:Marking and Measuring Tools]]