Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
These slow flow, 7.0 cm diameter qualitative grade plain filter circles are ideal for retention of the finest particles or precipates.
Pyrex Beaker, 250ml Cat. No. - G-1629 $6.30
Thermometer, Dual Range: 0-230°F, 0-110°C Cat. No. - NC-1019 $4.15
Angular Alcohol Burner, 125ml Cat. No. - NC-3787 $5.95
Clear Glass Stir Rod, 10 inch Cat. No. - NC-5604 $1.35