Radius and Angle Charts

Radius and Angle Charts combine 180 degree radius lines (with multiple magnification scale), 90 degree centerlines, and 30 and 45 degree lines in each quadrant. Every fifth line is bold and identified for direct reading.

Material Specifications

Glass

14" (14.50" diameter, 0.12" thick)
16" (16.38" diameter, 0.19" thick) - DISCONTINUED - Please use 14" plastic overlay as an alternative
20" (20.25" diameter, 0.25" thick)
30" (30.75" diameter, 0.25" thick)

Plastic

14" (13.88" diameter, 0.05" thick)
20" (19.75" diameter, 0.05" thick)
30" (29.88" diameter, 0.05" thick)

Glass
Mag.	10x-20x-50x-100x	31.25x-62.5x
Increment	0.01"-0.005"-0.002"-0.001"	0.004"-0.002"
14"	152591
16"	DISCONTINUED - Please use 14" plastic overlay as an alternative
TB	152191
FC	152291
20"	152791, 152792	152781
30"	152991
Plastic
Mag.	10x-20x-50x-100x	31.25x-62.5x
Increment	0.01"-0.005"-0.002"-0.001"	0.004"-0.002"
14"	152491	152481
20"	152691
30"	152891