Drafting & Technical Drawing

Made of heavy-duty 0.09″ thick clear plastic with a beveled outer edge for accurate drawing. Features a center cutout finger lift and accurate die-stamped graduations in ½° increments.

Semi-circle 6” ALP476 $2.85
Semi-circle 8” ALP477 $5.45

Provides the features of a 45°/90° adjustable triangle plus those of a protractor. Angles from 0° to 90° can be drawn from the baseline with ½° accuracy. Die-engraved graduations for high visibility. The aluminum thumbscrew securely holds the selected angle and allows quick pickup and manipulation. Made of high impact acrylic that is 0.100″ thick and optically clear to eliminate parallax and allow close pencil tolerance.

AL108CB 8″ $39.30

AL110CB 10″ $48.60

AL120CB 12″ $54.30

www.alvinco.com

Precision made, moulded of high quality clear plastic. Extremely durable and dimensionally stable, available in a variety of sizes in both 45 degree and 30/60 degree style.

CLEAR TRIANGLES 30/60

SM964 08-60 $5.75
SM964 10-60 $9.70
SM964 12-60 $11.15
PST14-60 $16.75

CLEAR TRIANGLES 45/90

SM964 08-45   $7.35
SM964 10-45   $13.95
SM964 12-45   $16.45
PST964 14-45   $23.95

Please call for Education Pricing or other sizes available.

Made of finest quality stainless steel with non-skid cork backing that won’t slip on glass or polished surfaces. Flexible enough to permit measuring curved surfaces. Raised edges eliminate ink blots and smearing. Graduated in 16ths, 32nds, and metric.

ALR590-6      6 inch   $3.15
ALR590-12    12 inch $4.70
ALR590-15    15 inch $6.25
ALR590-18    18 inch $6.90
ALR590-24    24 inch $8.25
ALR590-36    36 inch $15.00
ALR590-60    60 inch $40.60

Selected hardwood blade for strength and straightness. Elevated, see-through acrylic edges for smudge-free line work. Smooth wood head attached with five screws for long-lasting squareness.