10cm Support Ring with Integrated Boss Head, up to 5/8" Rods Material_Ceramic Used to introduce LED polarity

Used to introduce LED polarity and forward-bias behavior

Five-range function generator with a 10x multiplier producing sine

Built on a leveled cast-iron base with a dual-angle polymer top

Solid metal 1kg rollers at 8cm wide by 4

bottle in borosilicate glass holds 125mL with glass stopper for biological oxygen demand testing and water quality analysis

10cm Support Ring with Integrated Boss Head, up to 5/8" Rods Material_Ceramic Used to introduce LED polarityIntegrated boss head pairs with a 10 cm plated mild steel closed support ring, accepting vertical rods up to 5 8 inch to secure funnels and flasks above heat sources.