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
Potassium Nitrate, (Saltpeter), 500g, FCC/USP Cat. No. - NC-9871 $14.95
Scoopula, Stainless Steel, 6 inch Cat. No. - NC-0829 $1.60
Original TEDCO Gyroscope Cat. No. - NC-11114 $6.95