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

supplying enclosed-wiper variable resistance for student safety

and acrylic in a foam-lined wooden case for density-versus-material investigations

Male and female Ascaris dissection model reveals nematode anatomy

and horseshoe magnet that swap by hand

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.