Rimless Thick Wall Borosilicate Glass Test Tube with Marking Spot, 48-Pack Microscopy_Microscopy Equipment &Supplies Six differently sized holes in

Six differently sized holes in a hardwood entomology block hold insect pins of varying shaft lengths for organized pinning-station workflow and specimen mounting

evacuating or pressurizing the system for hands-free volume-versus-pressure readings

carrying up to 26 lbs on an autoclavable bench jack

photogate interruption screens

Optically worked double-convex glass lens at 75mm diameter and 100mm focal length

Rimless Thick Wall Borosilicate Glass Test Tube with Marking Spot, 48-Pack Microscopy_Microscopy Equipment &Supplies Six differently sized holes inForty eight piece pack distributes labelable thick wall tubes to small group teaching setups with matched sample identification across parallel stations.