Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
The test tube rack securely accommodates up to 72 tubes, 10 to 18mm in diameter. It is constructed so the posts dividing the tubes can act as a drying rack. Constructed of autoclavable polypropylene.
Size: 9-3/4" x 5" x 2-1/2"; Weight: 10 oz.