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Beam Compasses


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18" Alumicolor Beam Compass Rule Drafting Supplies, Drafting Instruments, Beam Compasses
Alumicolor
18" Alumicolor Beam Compass Rule
Price: $12.35
Retail: $20.95
Item #: 4110-1 - See more from Alumicolor

    Solves the problem of making perfect large circles up to 36" in diameter. This beam compass attaches to thin profile yardsticks and automatically shows figures for the radius circumference and area of any circle in inches or centimeters.

    12" Alumicolor Beam Compass Rule Drafting Supplies, Drafting Instruments, Beam Compasses
    Alumicolor
    12" Alumicolor Beam Compass Rule
    Price: $11.15
    Retail: $18.95
    Item #: 4105-1 - See more from Alumicolor

      Solves the problem of making perfect large circles up to 36" in diameter. This beam compass attaches to thin profile yardsticks and automatically shows figures for the radius circumference and area of any circle in inches or centimeters.