Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
This nickel-plated test tube holder, or clamp, is 6-1/5 inches long with finger grips. Holds any size test tube.
The test tube holder is used to hold test tubes when they are hot and untouchable.
Amber Glass Wide Mouth Bottle, 8oz. Cat. No. - NC-0099 $2.65
Pyrex Beaker, 50ml Cat. No. - NC-0071 $5.25
Spoon / Scraper, Stainless Steel Cat. No. - NC-10819 $2.75
Quartz Crystal Points Cat. No. - NC-3030 $1.59