Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
This equilateral acrylic prism is highly polished and will project a spectrum equal to or superior to one manufactured of glass.
Glass Prism, 1x6 inch (25x150mm) Cat. No. - M-2244 $9.95
Original TEDCO Gyroscope Cat. No. - NC-11114 $6.95
Quartz Crystal Points Cat. No. - NC-3030 $1.59
Acrylic Prism, 1x3 inch (25x75mm) Cat. No. - M-2245 $5.95