750mm Connecting Lead with Crocodile Clips Both Ends, Red, 4mm Plug Prong_4 and a month-labeled base for

and a month-labeled base for tracking orbital positions through the year

000 lux through a separate probe with a CIE photopic spectral response

and ray-tracing demos

sized as bulb-spares for three-cell battery packs and ray-box optics work in physics labs

this single burette clamp in powder-coated alloy holds any burette up to 100 mL on support rods up to 16 mm diameter during titration work

750mm Connecting Lead with Crocodile Clips Both Ends, Red, 4mm Plug Prong_4 and a month-labeled base forMid length 750mm red insulated lead with crocodile clips at both ends, paired with the 750mm black lead to keep wiring color coded across mid distance bench setups.