Microcentrifuge Tube Rack for 24 Tubes Category_Anatomy and Life Science a denser alternative to brass

a denser alternative to brass or aluminum for pendulum-period and simple-harmonic-motion work

Drops the focal length to 10cm on a 60mm aperture in alternate-model framing

STOPPER & STOPCOCK || Fitted with an interchangeable 19/26 plastic stopper and glass key stopcock

Acrylic double-convex lens at 89mm with one clear face and one frosted

securing rods and posts up to 40 mm thick across laboratory stand configurations

Microcentrifuge Tube Rack for 24 Tubes Category_Anatomy and Life Science a denser alternative to brassAutoclavable polycarbonate microcentrifuge rack holding 24 tubes up to 1. 5 mL, with numbered and lettered positions and a stacking design that locks against lateral movement.