US$ 29.99
Glass stopcock
Used to demonstrate galvanic-cell principles
Regulated DC power pack with a fixed +5V output
1 accuracy with a calibration screwdriver and case
5% accuracy with a 60mm scale
Forensic Soil and Mineral Analysis Kit for 10 Groups Capacity_300mL Glass stopcockForensic soil and mineral analysis kit teaches trace evidence identification through geological testing, particle analysis, and criminal investigation.
US$ 29.99
US$ 149.50
US$ 29.99