NeuLog Spirometer Logger Sensor Electricity & Magnetism_Electricity & Circuits Optically-worked glass double convex lens

Optically-worked glass double convex lens with a 200mm focal length and 1

PTFE-key stopcock resists chemical attack on this Ganong potometer

Male and female Ascaris dissection model reveals nematode anatomy

with extended reference information printed on the reverse

01mm spherometer and electrical-contact trigger

NeuLog Spirometer Logger Sensor Electricity & Magnetism_Electricity & Circuits Optically-worked glass double convex lensFor 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.