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, 1x3 inch (25x75mm) Cat. No. - M-2242 $6.95
pH Strips, 1-12 range, vial, 100 strips Cat. No. - NC-12412 $2.75