Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
This plastic funnel is 75mm diameter with a standard stem. External ribbing prevents air locks.
Clear Tubing, 1/4 ID x 1/16, 20 ft. Cat. No. - NC-1080-PK20 $31.20
The World of the Microscope Cat. No. - M-2252 $8.95
Pyrex Erlenmeyer Flask, 125ml Cat. No. - NC-0399 $6.90
Illusion Science Cat. No. - NC-11559 $9.95