Rectangular Refraction Acrylic Block, 100 x 75 x 18mm Subcategory_Microscope Slides this fan-shaped nylon brush rides

this fan-shaped nylon brush rides a twisted stainless steel handle flexible enough to bend around difficult interior angles

and biliary anatomy for digestive and pathology teaching

bridging the reach gap between the standard 500mm and the long-haul 1000mm plug-to-plug patch wires

this 80mm steel needle in a 6mm rod doubles as a precise alignment reference for image-formation and ray-tracing setups

this metal-cased spectroscope pairs a 600 lines/mm holographic replica grating with sample vials and mount

Rectangular Refraction Acrylic Block, 100 x 75 x 18mm Subcategory_Microscope Slides this fan-shaped nylon brush ridesPairs 100 by 75mm with 18mm thickness on an acrylic rectangular refraction block, the wider working face giving longer beam paths for clear refraction angle measurements.