Amber Class A Burette with PTFE Stopcock, 100mL, 0.2mL Graduations, Borosilicate Glass Subcategory_Crucibles visible inner mechanism letting students

visible inner mechanism letting students watch how the Bourdon tube curves under changing pressure

Open-frame demonstration DC motor exposing armature

Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels

current to 10A

inductance

Amber Class A Burette with PTFE Stopcock, 100mL, 0.2mL Graduations, Borosilicate Glass Subcategory_Crucibles visible inner mechanism letting studentsClass A amber burette in borosilicate 3. 3 glass holds 100mL with 0. 2mL graduations and PTFE stopcock for light sensitive reagent titration.