Ammonia Solution, 1L Base_Hexagonal Plastic the moderate curvature spreading light

the moderate curvature spreading light gently for divergence and virtual-image-formation work in refraction demos

175mm aluminum pump plate with an integrated tube connector and stopcock on a heavy tripod base

the lightweight lab-safe body matching glass-block teaching geometry without the mass or fragility

Two stages RC coupled amplifier Training Board

and medical laboratory procedures

Ammonia Solution, 1L Base_Hexagonal Plastic the moderate curvature spreading lightAmmonia solution for qualitative analysis, acid base demonstrations, and cleaning and preparation procedures in educational and research chemistry laboratories.