Phenolphthalein Alcoholic Solution, 1% Chemical_Starch dissipating heat across the slide-bar

dissipating heat across the slide-bar carriage during sustained high-current circuit work in physics laboratory demonstrations

21-piece electrostatics set in a plastic case covering induction

this lamp holder provides connection terminals for fast wiring into series and parallel student-built circuits

SIDE ARM || 19/26 size socket outlet for stopcock at the base of the bottle

Phenolphthalein Alcoholic Solution, 1% Chemical_Starch dissipating heat across the slide-barAlcoholic 1 percent phenolphthalein solution in isopropyl alcohol, ready for acid base titration endpoints and universal indicator preparation in chemistry labs.