Special Features
Optical adjustment for reading; model number tandem 360 pc/360 r: scales: 0 +- 90 degree, 0 +- 150 percent, conversion table cosines 0-45 degree; threaded for mounting in a camera tripod; weight: 10 oz; housing made of corrosion-resistant anodized aluminium alloy; graduated in 1a degree/1 percent increments
