US$ 19.99
with extended reference information printed on the reverse
Pack of 100 autoclavable thin-wall test tubes in borosilicate 3
supplying enclosed-wiper variable resistance for student safety
Optically-worked glass double convex lens with a 200mm focal length and 1
NeuLog Spirometer Logger Sensor Electricity & Magnetism_Electricity & Circuits with extended reference information printedFor respiratory physiology investigations, this spirometer data logging sensor reads airflow through an integrated tube and calculates lung volume in liters across 10 L s of breath flow.