Ray Box with Banana Plug Length_75mm the f/1 geometry producing strongly

the f/1 geometry producing strongly converging beams for vivid magnification and real-image demos

and 100mL borosilicate glass cylinders with hexagonal bases for volumetric measurement

Hand-painted 4-part human brain model separates into cortical hemispheres and brain-stem regions for lobed-anatomy teaching at introductory biology levels

this three-finger universal clamp grips glassware up to 2

this resistor in an ABS module with 4mm sockets covers low-resistance Ohm's-law work alongside the rest of the modular component set

Ray Box with Banana Plug Length_75mm the f/1 geometry producing stronglyDie cast alloy body with a ventilated lamp housing, four vertical accessory grooves, and a 12V 21W bulb on banana plug leads, supplied with single and triple slit plates.